Term
What are the gas transport abbreviations? |
|
Definition
P= partial pressure a=arterial v=venous c=capillary S=saturation |
|
|
Term
|
Definition
fraction of inspired oxygen; % O2 someone is being given |
|
|
Term
What is the O2 percentage of room air? |
|
Definition
|
|
Term
How does O2 travel in the body? |
|
Definition
It is bound to hemoglobin |
|
|
Term
|
Definition
drives it to bind or separate from hemoglobin; tight in lungs, loose in tissues |
|
|
Term
What is the rule of O2 transport? |
|
Definition
30-60-90; relationship between PaO2 and SaO2 |
|
|
Term
What happens when there is a shift to the left in the oxyhemoglobin dissociation curve? |
|
Definition
increased affinity of hemoglobin for O2; More difficult for hemoglobin to release bound O2 |
|
|
Term
What causes a shift to the left in the oxyhemoglobin dissociation curve? |
|
Definition
decreased PaCO2; alkalosis; decreased metabolism; increased altitude |
|
|
Term
What happens when there is a shift to the right in the deoxyhemoglobin dissociation curve? |
|
Definition
decreased affinity of hemoglobin for O2; easier for hemoglobin to release O2 |
|
|
Term
What causes a shift to the right in the oxyhemoglobin dissociation curve? |
|
Definition
increased PaCO2; acidosis; increased metabolism (stress); fever |
|
|
Term
What form does most of the CO2 in the body take? |
|
Definition
bicarbonate in a buffered form; 60-90%; HCO3 (same as CO2 in electrolyte profile) |
|
|
Term
What is the pH of arterial blood? |
|
Definition
|
|
Term
What is a key determinate of blood pH? |
|
Definition
|
|
Term
What is the most important buffering system? |
|
Definition
carbonic acid bicarbonate system |
|
|
Term
Describe the Henderson-Hasselbach relationship |
|
Definition
1 CO2 (as carbonic acid) balances with 20 bicarb |
|
|
Term
The respiratory system compensates for ____ problems while the renal system compensates for _____ problems |
|
Definition
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|
Term
____ is a measure of metabolic status which is managed by the ____ |
|
Definition
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|
Term
ID acid-base imbalance: depression of HCO3- |
|
Definition
|
|
Term
ID acid-base imbalance: elevation of PCO2 due to hypoventilation |
|
Definition
|
|
Term
ID acid-base imbalance: elevation of HCO3- |
|
Definition
|
|
Term
ID acid-base imbalance: depression of PCO2 due to hyperventilation |
|
Definition
|
|
Term
|
Definition
|
|
Term
What can cause metabolic acidosis? |
|
Definition
lactic acidosis, shock, renal failure |
|
|
Term
What are the clinical manifestations of metabolic acidosis? |
|
Definition
headache, lethargy, tachycardia, anorexia; deep rapid respirations (kussmaul) to compensate |
|
|
Term
What is the purpose of the anion gap? |
|
Definition
to distinguish different types of metabolic acidosis |
|
|
Term
What is the cause of respiratory acidosis? |
|
Definition
hypoventilation r/t various lung disorders |
|
|
Term
What are the clinical manifestations of respiratory acidosis? |
|
Definition
rapid RR followed by depressed RR; lethargy; seizures |
|
|
Term
What are the clinical manifestations of metabolic alkalosis? |
|
Definition
shallow slow respirations; weakness; confusion; tachycardia |
|
|
Term
The clinical manifestations of respiratory alkalosis are similar to what? |
|
Definition
|
|
Term
What are the normal values for ABG? |
|
Definition
PaO2= 80-100 PaCO2= 35-45 pH=7.35-7.45 HCO3= 22-26 SaO2= 93-100 |
|
|
Term
Label the 4 components of ABG |
|
Definition
Oxygen analysis= PaO2 and SaO2 acid base= pH respiratory= PaCO2 metabolic= HCO3 |
|
|
Term
What are the 3 steps of ABG analysis process? |
|
Definition
evaluate oxygenation, pH (acidosis/alkalosis), determine primary problem (ROME) |
|
|
Term
|
Definition
Respiratory, Opposite, Metabolic, Equal; If respiratory is opposite of pH its a respiratory issue. If metabolic component is equal in direction to pH then issue is metabolic |
|
|
Term
How do the lungs compensate for metabolic issues? |
|
Definition
increase RR for metabolic acidosis; decrease RR for metabolic alkalosis |
|
|
Term
How do kidneys compensate for respiratory issues? |
|
Definition
retain HCO3 for acidosis; make less HCO3 for respiratory alkalosis |
|
|
Term
ID compensation: pH is abnormal; compensating values WNL |
|
Definition
|
|
Term
ID compensation: pH is abnormal; compensating system values are abnormal with evidence of compensation |
|
Definition
|
|
Term
ID compensation: pH is normal; compensating system values are abnormal with signs of compensation |
|
Definition
|
|
Term
What are the 4 components of blood? |
|
Definition
plasma, rbc, wbc, platelets |
|
|
Term
What components of the RBC are proportional? |
|
Definition
|
|
Term
What are the two types of leukocytes? |
|
Definition
granulocytes and agranulocytes (immunocytes) |
|
|
Term
|
Definition
|
|
Term
What two areas of the body are responsible for hematopoiesis? |
|
Definition
liver/spleen and bone marrow |
|
|
Term
What are the two stages of hematopoiesis? |
|
Definition
proliferation and differentiation |
|
|
Term
|
Definition
|
|
Term
What are the two types of CFUs? |
|
Definition
myeloid stem cell; lymphoid stem cell |
|
|
Term
Define globulins; what are they made of? |
|
Definition
plasma proteins; two pairs of polypeptide chains |
|
|
Term
What is hemoglobin made of? |
|
Definition
four iron proroporphyrin complexes |
|
|
Term
What are the 3 types of Hgb? |
|
Definition
OxyHgb (carries O2); DeoxyHgb (has released its O2), Methemoglobin (cannot carry O2) |
|
|
Term
What are the 3 building blocks of Hgb? |
|
Definition
proteins, vitamins, minerals |
|
|
Term
What is the purpose of vitamin b12? |
|
Definition
erythrocyte maturation; facilitator of folate metabolism; stored until needed for erythropoiesis |
|
|
Term
What is needed for B12 absorption? |
|
Definition
|
|
Term
What is the purpose of folic acid? |
|
Definition
synthesis of DNA/RNA; erythrocyte maturation; not IF dependent |
|
|
Term
What is the function of iron? |
|
Definition
critical for hgb synthesis |
|
|
Term
How is iron removed from the body? |
|
Definition
MPS; mononuclear phagocyte system after 120 days in spleen |
|
|
Term
What are the storage forms of iron? |
|
Definition
|
|
Term
What are the 7 Ds of psychopathology? |
|
Definition
distress, dysfunction, danger, duration, degree, deviance, and depression |
|
|
Term
What are the 4 aspects of the stress diathesis model? |
|
Definition
biological, environmental, psychological, social |
|
|
Term
What was the first historical record of depression? |
|
Definition
Hippocrates clinically described melancholia |
|
|
Term
Depression is most common in what two groups? |
|
Definition
|
|
Term
What are the 5 major types of depression? |
|
Definition
major depressive disorder, dysthymic disorder, postpartum onset, seasonal affective disorder, depression with psychotic features |
|
|
Term
Describe serotonin r/t depression |
|
Definition
kicks off production of brain cells; depression occurs with imbalance; can't be measured |
|
|
Term
Describe norepinephrine r/t depression |
|
Definition
decreased in depression; emotion regulation |
|
|
Term
What are the 5 biological influences on depression? |
|
Definition
hormonal, nutritional and medicational imbalance, neurological disorder, electrolyte imbalance |
|
|
Term
|
Definition
hypothalamus (CRH)-Anterior Pituitary (ACTH)-Adrenal cortex (CORT); negative feedback; increased activity leads to increased cortisol |
|
|
Term
Who coined the term melancholia? |
|
Definition
|
|
Term
Who was involved in the learned helplessness experiment? |
|
Definition
Dogs (beaten); Martin Seligman |
|
|
Term
ID age group of depression: feeding problems, failure to thrive, developmental delays |
|
Definition
|
|
Term
ID age group of depression: aggression, accident prone, phobias |
|
Definition
|
|
Term
ID age group of depression: physical complaints, clingy, aggression |
|
Definition
|
|
Term
ID age group of depression: morbid thoughts excessive worry, not playing |
|
Definition
|
|
Term
ID age group of depression: running away, delinquency, apathy |
|
Definition
|
|
Term
ID development stage: appreciation of interdependence and relatedness |
|
Definition
trust vs mistrust; infant-1 |
|
|
Term
ID development stage: acceptance of life cyle |
|
Definition
|
|
Term
ID development stage: humor, empathy, resilience |
|
Definition
|
|
Term
ID development stage: humility; acceptance of course of one's life |
|
Definition
6-12; industry vs inferiority |
|
|
Term
ID development stage: sense of complexity of life; merge sensory, logic, and aesthetic perception |
|
Definition
Identity vs confusion; 12-19 |
|
|
Term
ID development stage: sense of complexity of relationships; loving freely |
|
Definition
intimacy vs isolation; 20-25 |
|
|
Term
ID development stage: caring for others, empathy, concern; agape |
|
Definition
26-64; generativity vs stagnation |
|
|
Term
ID development stage: sense of integrity strong enough to withstand death of self |
|
Definition
65-death; integrity vs despair |
|
|
Term
What is the 3rd leading COD for 15-24 and 4th for ages 10-14? |
|
Definition
|
|
Term
The peritubular cells of the kidney produce what? |
|
Definition
|
|
Term
What stimulates the production and release of erythropoietin? |
|
Definition
|
|
Term
Every time an RBC dies ____ is produced and must be processed by the _____ |
|
Definition
|
|
Term
ID RBC Disease: reduction in total number of erythrocytes in blood or hgb |
|
Definition
|
|
Term
What 3 events in the body can lead to anemia? |
|
Definition
impaired RBC production, acute/chronic blood loss, increased RBC destruction |
|
|
Term
|
Definition
mean cell/corpuscular volume (size) |
|
|
Term
|
Definition
mean cell/corpuscular hgb |
|
|
Term
|
Definition
mean cell/corpuscular hgb concentration (hemoglobin content); hyper chromic, normochromic, hypochromic |
|
|
Term
What are the two types of anemia? |
|
Definition
anisocytosis (RBC in many sizes) and poikilocytosis (RBC in many shapes) |
|
|
Term
Describe the 2 magnitudes and onsets of anemia |
|
Definition
gradual (less symptomatic), sudden (more symptomatic); Hgb of 8g is more symptomatic than 12g |
|
|
Term
What are the 6 classic signs of anemia? |
|
Definition
pallor, fatigue, weakness, dypnea, DOE, dizziness |
|
|
Term
What are the compensatory manifestations of anemia? |
|
Definition
CDV (tachycardia, palpitations, vasoconstriction); tachypnea; increase ADH |
|
|
Term
What are the 3 anemia classifications? |
|
Definition
macrocytic, microcytic hypochromic, normocytic normochromic |
|
|
Term
Macrocytic anemias can be ___ or ____ |
|
Definition
normochromic; hyperchromic |
|
|
Term
What are two possible causes of Macrocytic normochromic anemias? |
|
Definition
vitamin b12 deficiency; folate deficiency |
|
|
Term
Describe pernicious anemia |
|
Definition
vitamin b12 deficiency; formerly fatal; congenital, appears following gastrectomy; |
|
|
Term
What is considered severe anemia and what are some of its clinical manifestations? |
|
Definition
<7g/dl; beffy red tongue, hyperbilirubinemia, jaundice, parathesias |
|
|
Term
|
Definition
immature RBCs; no nucleus; 1% of RBC |
|
|
Term
What are the indications of a low retic count? High? |
|
Definition
Low= aplastic anemia, ineffective erythropoiesis; High=bone marrow response to anemia caused by hemolysis or blood loss; corrected value is most important |
|
|
Term
What is the equation for retic correction? |
|
Definition
Retic% x (patient Hct/Normal hct) |
|
|
Term
What are the clinical manifestations of folate deficiency anemia? |
|
Definition
classic signs of anemia; dysphagia watery diarrhea; painful ulcerations of cheeks and tongue |
|
|
Term
|
Definition
red cell distribution width; detects subtle size variations before MCV changes |
|
|
Term
In what 3 cases does RDW increase before MCV becomes abnormal? |
|
Definition
early iron deficiency anemia, b12 deficiency, and folate deficiency |
|
|
Term
What is microcytic hypochromic anemia related to? |
|
Definition
disorders of iron metabolism, heme and globin synthesis |
|
|
Term
What are the two types of Microcytic hypochromic anemias? |
|
Definition
iron deficiency and sideroblastic |
|
|
Term
What is the most common cause of iron deficiency anemia in the US? |
|
Definition
|
|
Term
What is a sign of iron deficiency anemia? |
|
Definition
craving non food items (dirt and ice); called PICA |
|
|
Term
What are the clinical manifestations of iron deficiency anemia? |
|
Definition
classic signs, chlorosis (green/yellow skin), koilonychias, glossitis, tingling, gastritis; bluish tinge under the eye |
|
|
Term
Describe sideroblastic anemia |
|
Definition
group of disorders characterized by anemia; altered mitochondrial metabolism r/t ineffective iron uptake; ringed sideroblasts in bone marrow |
|
|
Term
Describe normocytic normochromic anemia |
|
Definition
red cells normal in size and Hgb but insufficient in number |
|
|
Term
What are the 4 possible types of normocytic normochromic anemia? |
|
Definition
aplastic anemia, posthemorrhagic anemia, hemolytic anemia, anemia of chronic disease/inflammation |
|
|
Term
Describe the patho of aplastic anemia |
|
Definition
caused by bone marrow failure; acquired or hereditary; acquired is unknown cause (primary) or chemotherapy and other chemical (secondary); precursor for leukemia |
|
|
Term
What are the clinical manifestations of aplastic anemia? |
|
Definition
classic signs of anemia, infections (if low WBCs) and bleeding (if low platelets) |
|
|
Term
Describe the patho of post hemorrhagic anemia |
|
Definition
caused by acute blood loss (orthopedic surgery); volume depletion, hypovolemic shock |
|
|
Term
What are the clinical manifestations of post hemorrhagic anemia? |
|
Definition
SNS stimulation; shock; classic signs of anemia; iron deficiency anemia (if chronic) |
|
|
Term
Describe hemolytic anemia |
|
Definition
premature destruction of RBCs; elevated bilirubin; acquired (infections or traumatic) or hereditary (structural or sickle cell) |
|
|
Term
What are the clinical manifestations of hemolytic anemia? |
|
Definition
classic signs of anemia, jaundice, splenomegaly |
|
|
Term
What is the most common form of hemolytic anemia? |
|
Definition
|
|
Term
ID test: tests for autoimmune hemolytic anemia, detects IgG antibodies |
|
Definition
|
|
Term
ID test: used in prenatal testing and in blood prior to transfusion, detects antibodies against RBCs that are unbound in plasma; agglutination is positive |
|
Definition
|
|
Term
What does the haptoglobin assay screen for? |
|
Definition
hemolytic anemia; causes an increase in free hemoglobin which causes a decline in haptoglobin (b/c it binds to it) |
|
|
Term
ID: test done to check different types of hgb in the blood |
|
Definition
|
|
Term
ID Hgb type: normally found in fetuses and newborns; replaced by hgb A shortly after birth |
|
Definition
|
|
Term
ID Hgb type: Most common type of Hgb found in adults |
|
Definition
|
|
Term
ID Hgb type: Normal type of Hgb found in small amounts in adults |
|
Definition
|
|
Term
ID Hgb type: Present in sickle cell disease |
|
Definition
|
|
Term
ID Hgb type: inherited variant of normal adult hgb; most common in asians |
|
Definition
|
|
Term
ID Hgb type: present in sickle cells or thalassemia |
|
Definition
|
|
Term
ID Hgb type: heavy hgb; present in certain types of thalassemia |
|
Definition
|
|
Term
ID: most common anemia in hospitalized patients; associated with chronic infections |
|
Definition
Anemia of chronic disease/inflammation (ACD/ACI) |
|
|
Term
What are the two myeloproliferative RBC disorders? |
|
Definition
polycythemia and relative polycythemia |
|
|
Term
Describe relative polycythemia |
|
Definition
result of dehydration; results in relative increases of RBC, Hgb and Hct |
|
|
Term
What are the symptoms of polycythemia vera? |
|
Definition
dizziness, hypertension, pruritis, dyspnea, tingling |
|
|
Term
|
Definition
event that results in bleeding cessation |
|
|
Term
What are the 3 hemostatic components? |
|
Definition
platelets, vascular endothelium, clotting factors |
|
|
Term
What is another term for platelets? |
|
Definition
|
|
Term
How long do platelets circulate? |
|
Definition
|
|
Term
What are the two functions of vascular endothelium? |
|
Definition
control hemostatic mechanisms; cause coagulation to be controlled by anticoagulant substances |
|
|
Term
What are the three steps in the sequence following vascular damage? |
|
Definition
vasoconstriction/spasm, platelet plug, clotting cascade |
|
|
Term
Platelet aggregation is ___ dependant |
|
Definition
|
|
Term
What is the result of the coagulation/clotting cascade? |
|
Definition
fibrin that stabilizes the platelet plug; intrinsic or extrinsic pathway |
|
|
Term
|
Definition
fibrin degradation products |
|
|
Term
Describe Adjusted partial thromboplastin time |
|
Definition
aPTT; measures activity of intrinsic and final common pathways; means of 30 seconds; monitors coagulation in those taking heparin |
|
|
Term
Describe prothrombin time |
|
Definition
measures activity of extrinsic and final common pathways; monitors coagulation time of those takin Coumadin; 12 seconds |
|
|
Term
Describe international normalized ratio |
|
Definition
INR; 1; monitors coagulation of those taking Coumadin (preferred) |
|
|
Term
Describe ecchymosis and its two classifications |
|
Definition
red and purple/black/blue skin discoloration r/t extravasation of blood in subcutaneous tissue; purpura, petechiae |
|
|
Term
|
Definition
cough up blood from lungs |
|
|
Term
|
Definition
|
|
Term
Define coffee ground emesis |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
black tarry stools (digested blood) |
|
|
Term
What are the two magnitudes of quantitative platelet disorders? |
|
Definition
<50k=bleeding potential <20k= high risk for spontaneous bleeding |
|
|
Term
What are two causes of quantitative platelet disorders? |
|
Definition
disordered platelet distribution and accelerated platelet destruction (spleen) |
|
|
Term
Describe qualitative platelet dysfunction |
|
Definition
qualitative alterations of platelet function with normal platelet count |
|
|
Term
What is a high platelet count? |
|
Definition
|
|
Term
What is the role of vitamin K in coagulation? |
|
Definition
production of prothrombin |
|
|
Term
ID: stationary clot adhering to the vessel wall |
|
Definition
|
|
Term
ID: floating clot within the blood |
|
Definition
|
|
Term
|
Definition
factors favoring clot formation; loss of integrity of vessel wall (atherosclerosis), abnormalities of blood flow (sluggish), alterations in blood constituents (thrombocytosis) |
|
|
Term
What is the effect of heparin on aPTT? |
|
Definition
prolong it to 60-90 seconds (74-105 is preferable) |
|
|
Term
What is the effect of Coumadin on PT and INR? |
|
Definition
|
|
Term
What are the 4 types of sickle cell disorders? |
|
Definition
sickle cell anemia, sickle cell trait, sickle cell Hgb C, sickle cell thalassemia |
|
|
Term
Priapism is what specific type of sickle cell crisis? |
|
Definition
|
|
Term
Most sickled cells regain normal shape after ____ and ____ |
|
Definition
reoxygenation and rehydration |
|
|
Term
What are 5 sickling stimuli? |
|
Definition
hypoxemia, deoxygenatino, acidosis, hypertonicity, hypothermia |
|
|
Term
How does acidosis promote sickling? |
|
Definition
decreases Hgb affinity for O2 |
|
|
Term
What are the 4 types of sickle cell crisis? |
|
Definition
vasoocclusive, aplastic, sequestrian, hyperhemolytic |
|
|
Term
What is the RBC lifespan in sickle cell anemia? |
|
Definition
|
|
Term
If the WBC is normal ____ the differential |
|
Definition
|
|
Term
What is the difference between blasts and bands? |
|
Definition
bands (teenagers); blasts (NEVER normal to be in blood stream) |
|
|
Term
|
Definition
when leukocyte count is more than normal (>10k) |
|
|
Term
Describe the shift in neutrophils during a bacterial infection |
|
Definition
shift to the right; mature neutrophils |
|
|
Term
If the need for neutrophils increases beyond the supply ____ are released into the blood |
|
Definition
banded neutrophils (immature); causes shift to the left |
|
|
Term
When the neutrophil population returns to normal from a change there is a shift to the ____ |
|
Definition
|
|
Term
Eosinophilia is increased in what two situations? |
|
Definition
allergic disorders and parasitic invasions |
|
|
Term
What is the purpose of basophilia? |
|
Definition
response to inflammation hypersensitivity reactions |
|
|
Term
Monocytosis often indicates what? |
|
Definition
chronic infectious disease; in later stages of infections when neutrophils are depleted |
|
|
Term
Lyphmocytosis is a response to what? |
|
Definition
|
|
Term
|
Definition
when WBC count is <5k; caused by bone marrow disease, drugs or viruses |
|
|
Term
What is the ANC and how is it calculated? |
|
Definition
absolute neutrophil count; WBC x (%polys + %Bands) <500-1k = immunodeficient |
|
|
Term
Describe ALC and how it is calculated |
|
Definition
absolute leukocyte count; WBC x (%T-helper); <500 is immunodeficient |
|
|
Term
Increased polys= ____ infection |
|
Definition
|
|
Term
How will knowing what WBC is low help diagnose the pt? |
|
Definition
It doesn't; it indicates vulnerability only |
|
|
Term
What is the purpose of the white pulp of the spleen? |
|
Definition
|
|
Term
What is the largest lymphoid organ? |
|
Definition
|
|
Term
|
Definition
mononuclear phagocyte system; ingest and destroy microorgs and foreign material; spleen, liver, lungs, etc |
|
|
Term
What are the clinical manifestations of mono? |
|
Definition
infect B lymphocytes; lymphadenopathy, splenomegaly, fever, sore throat |
|
|
Term
increased spleen function is associated with what? |
|
Definition
|
|
Term
Describe polycythemia vera |
|
Definition
neoplastic disorder of abnormal growth of myeloid stem cells, self-destructive expansion of red cell mass; normal erythropoietin levels; increased WBCs and platelets; cause clots that may lead to ischemia |
|
|
Term
What are the clinical manifestations of polycythemia vera? |
|
Definition
plethora, engorgement of retinal and cerebral vessels, angina, hepatosplenomegaly |
|
|
Term
Describe secondary polycythemia |
|
Definition
physiologic response to hypoxia r/t secretion of erythropoietin; may not require treatment |
|
|
Term
ID hemophilia type: classic, factor 8 deficiency |
|
Definition
|
|
Term
ID hemophilia type: christmas disease, factor 9 deficiency |
|
Definition
|
|
Term
ID hemophilia type: Factor 11 deficiency, autosomal recessive |
|
Definition
|
|
Term
ID hemophilia type: factor 8 deficiency; autosomal dominant |
|
Definition
|
|
Term
|
Definition
congenital; easy bruising; bleeding in various areas of the body |
|
|
Term
What is a form of treatment for hemophilia? |
|
Definition
FFP (fresh frozen plasma administration); trauma avoidance |
|
|
Term
|
Definition
disseminated intravascular coagulation; acquired coagulopathy where clotting and hemorrhage occur in vascular system; NEVER the primary condition |
|
|
Term
What are the effects of DIC? |
|
Definition
vascular occlusion; ischemia |
|
|
Term
Describe the abnormal coagulation profile of DIC |
|
Definition
thrombocytopenia, decreased clotting factors, increased clotting measurements, increased FDPs (d-dimer) |
|
|
Term
Mood is to ____ as _____ is to weather |
|
Definition
|
|
Term
ID bipolar term: mixed state; agitated depression |
|
Definition
|
|
Term
ID bipolar term: more than 4 episodes a year |
|
Definition
|
|
Term
What is the 6th leading cause of disability in the middle age group? |
|
Definition
|
|
Term
high levels of ___ are related to mania |
|
Definition
|
|
Term
___ serotonin leads to ___ epinephrine |
|
Definition
|
|
Term
What platelet factor stimulates coagulation cascades? |
|
Definition
|
|
Term
What platelet factor is heparin neutralizing and promotes clot formation? |
|
Definition
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Term
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Definition
Immune thrombocytopenic purpura; IgG coats platelets that are removed from circulation; progress from petechial to purpura to major hemorrhage |
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Term
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Definition
thrombotic thrombocytopenic purpura; platelets aggregate, form microthrombi and cause occlusion of arterioles and capillaries |
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Term
What are the 3 systemic manifestations of inflammation? |
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Definition
fever, leukocytosis, increased plasma protein synthesis |
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Term
Describe the two components of increased plasma protein synthesis |
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Definition
acute phase reactants (c-reactive protein) and increased erythrocyte sedimentation rate (ESR) |
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Term
Describe the immune response |
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Definition
slow and specific response involving B (humoral) and T (cell mediated) lymphocytes |
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Term
What aspect of the immune response is responsible for distinguishing between self and non self? |
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Definition
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Term
What is the immune response? |
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Definition
the body's response to antigenic challenges |
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Term
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Definition
produce antibodies against specific antigens; create memory cells |
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Term
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Definition
attack antigen directly; specific; memory cells |
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Term
What two qualities are unique to immunity? |
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Definition
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Term
B lymphocytes mature to be what? |
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Definition
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Term
What are the two types of antibody function and how is it measured? |
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Definition
direct (neutralization, agglutination, precipitation), indirect (opsonizatino); antibody titer |
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Term
ID Immunoglobulin: found predominantly in body secretions; secretory immune system |
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Definition
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Term
In the secretory immune system, where are the antibodies located? |
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Definition
tears, sweat, saliva, mucous and breast milk |
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Term
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Definition
largest immunoglobulin; first antibody produced during primary response to an antigen |
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Term
Which immunoglobulin is of the most abundant glass (80-85%)? |
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Definition
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Term
In the primary response what is created after 5-7 days? |
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Definition
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Term
Describe primary response |
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Definition
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Term
Describe the secondary immune response |
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Definition
more rapid due to memory cells; larger amounts of antibody are produced; large amounts of IgG |
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Term
What is used to measure the amount of antibodies present at any one point? |
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Definition
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Term
Which immunoglobulin mediates allergic responses and defends against parasites? |
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Definition
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Term
We know the least about which immunoglobulin? |
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Definition
IgD; B cell antigen receptor |
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Term
Describe the two aspects of acquired immunity |
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Definition
active (produced by host after antigen exposure; natural; immunization with biological material); passive (does not involve immune response, temporary, maternal antibodies, immunizations with preformed antibodies) |
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Term
What are the 3 types of hypersensitivity in an immune response? |
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Definition
allergy, autoimmunity and alloimmunity (isoimmunity) |
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Term
ID Hypersensitivity: exaggerated immune response to nonself |
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Definition
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Term
ID Hypersensitivity: Misdirected immune response against self |
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Definition
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Term
ID Hypersensitivity: normal reaction against beneficial foreign tissue |
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Definition
alloimmunity (isoimmunity) |
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Term
Define and give examples of haptens |
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Definition
antigens reacting with skin self-proteins; metals, chemicals, resins |
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Term
What are 3 possible triggers for autoimmunity? |
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Definition
drugs, virus (encephalitis), unknown (Lupis) |
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Term
ID autoimmunity mechanism: body recognizes self-antigens as foreign |
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Definition
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Term
ID autoimmunity mechanism: self antigens not normally seen by the immune system |
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Definition
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Term
ID autoimmunity mechanism: molecular mimicry |
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Definition
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Term
ID autoimmunity mechanism: haptens become immunogenic when they bind to host proteins |
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Definition
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Term
ID autoimmunity mechanism: during differentiation lymphocytes produce receptor that react with self-antigens |
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Definition
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Term
ID autoimmunity mechanism: defects in regulatory cells |
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Definition
ineffective peripheral tolerance |
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Term
Transplant rejection is what type of immunity? |
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Definition
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Term
What are the 3 possible responses after re-exposure to antigen? |
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Definition
immediate (minutes), delayed (hours), anaphylaxis (rapid and severe immediate) |
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Term
ID hypersensitivity immune mechanism type: IgE mediated; most common allergic reactions; histamine release; generic predisposition |
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Definition
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Term
manifestations of type 1 hypersensitivity are mediated by what? |
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Definition
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Term
ID hypersensitivity type: tissue specific, antibody mediated, receptor blockage causing target cell malfunction |
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Definition
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Term
What are 4 examples of type 2 hypersensitivity? |
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Definition
immune thrombocytopenia purpura (ITP), hemolytic anemia, graves disease (autoimmune hyperthyroidism), myasthenia gravis |
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Term
ID hypersensitivity type: immune complex mediated, antigen-antibody complexes are formed in one place and deposited elsewhere ( |
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Definition
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Term
What is an example of type 3 hypersensitivity? |
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Definition
SLE (lupis; kidneys, blood vessels and joints are most at risk |
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Term
ID hypersensitivity type: does not involve antibodies directly; cytoxic t lymphocytes; direct killing |
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Definition
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Term
What are two examples of type 4 hypersensitivity? |
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Definition
transplant rejection, contact allergic reactions, contact dermatitis |
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Term
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Definition
type 1 hypersensitivity; inflammatory disease of airways; exaggerated immune response to exogenous antigens |
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Term
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Definition
classic type 2 hypersensitivity; platelets are coated with autoantibodies to platelet membrane antigens; splenic sequestration and phagocytosis of mononuclear macrophages; decreased platelet count |
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Term
Describe autoantibody stimulation in ITP |
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Definition
surface of platelets become immunogenic, stimulating production of platelet autoantibodies; stimulus is unknown |
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Term
What is the role of the spleen in ITP? |
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Definition
site of autoantibody production (white pulp) and phagocytosis of autoantibody coated platelets (red pulp) |
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Term
What are the two treatments of ITP? |
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Definition
corticosteroids and splenectomy (if meds don't work) |
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Term
ID disorder: deposition of circulating immune complexes with antibodies against host DNA; classic type 3 hypersensitivity; diver deposition |
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Definition
SLE(systemic lupus erythematous) |
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Term
What constitutes a diagnosis of SLE? |
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Definition
serial or simultaneous presence of 4/11 common findings of the disease |
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Term
What is another name for the butterfly rash? |
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Definition
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Term
What is the mnemonic for the 11 criteria of SLE? |
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Definition
(SOAP, BRAIN, MD) Serositis Oral ulcers Arthritis Photosensitity
Blood changes renal involvement ANA Immunological changes Neurological signs
Malar rash Discoid rash |
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Term
Describe the discoid rash |
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Definition
coin shaped on areas of skin exposed to sunlight; red, raised scaley lesions; painless and do not itch |
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Term
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Definition
inflammation of serious tissues (pleura, pericardium, peritoneum); seen in SLE, crohn's disease, and chronic renal failure) |
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Term
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Definition
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Term
What are the 3 types of reactions to graft rejection? |
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Definition
hyperacute (immediate, rare, pre-existing antibodies); acute (weeks after transplant, cell mediated, managed by immunosuppressive drugs); chronic (slow progressive organ failure) |
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Term
What are the clinical manifestations and treatment for graft rejection? |
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Definition
signs of failure of transplanted tissue; immunosuppression and antirejection meds (for life) |
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Term
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Definition
Graft vs. host disease; bone marrow transplant complication |
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Term
ID and describe the two types of immune deficiencies |
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Definition
Congenital (T or B cells deficient; primary); acquired (secondary; caused by another illness [cancer]) |
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Term
What are the classic clinical representations of immune deficiencies? |
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Definition
opportunistic infections (PCP, CMV, MAI, fungus and yeasts) |
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Term
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Definition
bacteria that must have iron to multiply |
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Term
What are the two main types of bacteria? |
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Definition
gram positive and gram negative |
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Term
What are 3 characteristics of bacteria? |
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Definition
capsules, toxins and enzymes |
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Term
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Definition
based on chemical and physical properties of bacterial cell walls; 1st step in bacteria ID; often takes <1 hr |
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Term
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Definition
from lysed gram negative bacteria; activates inflammatory response |
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Term
Bacterial protein toxins are strongly ___ |
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Definition
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Term
Endotoxins refers to the ____ complex associated with outer membrane of gram-negative pathogens |
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Definition
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Term
Endotoxins have strongly ___ effects |
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Definition
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Term
LPs acts as the ___ ____ which promotes secretion of pro-inflammatory cytokines |
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Definition
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Term
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Definition
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Term
A disease caused by fungi is called what? |
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Definition
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Term
What is a sign of a dermophyte fungal infection? |
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Definition
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Term
What are the 3 countermeasures against pathogen defenses? |
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Definition
innate, vaccines, antimicrobials |
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Term
Describe bacterial culture sensitivity |
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Definition
When an organism has been cultured and is subjected to various antibiotics to determine sensitivity or resistance |
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Term
Describe early hyperdynamic septic shock |
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Definition
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Term
Describe late hypodynamic septic shock |
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Definition
typical shock manifestations of tachycardia and cold clammy skin; hypotension |
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Term
What types of mutations occur in the cancer cell? |
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Definition
signal from cell surface receptor is in on position; mutation in ras intracellular signaling protein; activation of protein kinases; inactivation of tumor suppressor genes (p53) |
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Term
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Definition
causes cell growth and differentiation; mutation can cause inappropriate transmission signals inside a cell |
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Term
What allows cancer cells to divide indefinitely? |
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Definition
telomerase gene is turned on producing an enzyme that rebuilds telomeres so instead of division stopping when the telomeres are gone it can continue |
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Term
What is the benefit of the G0 phrase? |
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Definition
helps us understand cancer treatment protocols with rounds of treatment |
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Term
What are the 6 characteristics of malignant cells? |
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Definition
autonomy, anaplasia (loss of differentiation), transformation (normal cell becomes cancerous), progress, hyperplasia, dysplasia (variation of cell shape and size) |
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Term
How are cancer cells able to migrate to other areas of the body? |
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Definition
Low levels of fibronectin |
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Term
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Definition
ability to create a blood supply |
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Term
What substance do bacteria use to get their nutrition? |
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Definition
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Term
What is the result of cancer cells that produce plasminogen activating factor? |
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Definition
production of fibrin that degrades extracellular tissue during tumor invasion |
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Term
ID cancer type from the affected area: epithelial tissue |
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Definition
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Term
ID cancer type from the affected area: CT |
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Definition
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Term
ID cancer type from the affected area: glandular |
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Definition
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Term
ID cancer type from the affected area: CNS tissue |
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Definition
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Term
ID cancer type from the affected area: lymphatic tissue |
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Definition
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|
Term
ID cancer type from the affected area: bone marrow |
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Definition
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Term
Describe the aspects of the TNM system |
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Definition
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Term
ID cancer stage: cancer is confined to organ of origin |
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Definition
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Term
ID cancer stage: locally invasive |
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Definition
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Term
ID cancer stage: regional structures |
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Definition
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|
Term
ID cancer stage: distant sites |
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Definition
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Term
What are the two theories regarding carcinogenesis? |
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Definition
monoclonal (single mutated cell is great grandfather of tumor); cell accidents (several cell accidents occur resulting in tumor development) |
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Term
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Definition
chemical found in an organism that is not expected to be there; |
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Term
Describe the tumor immune surveillance theory of carcinogenesis |
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Definition
the immune system can recognize tumor cells and kill them |
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Term
What are the two important steps of metastasis? |
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Definition
penetration into lyphatics, blood vessels or body cavities; transport into lymph or blood |
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Term
What are the 4 common sites of distant mesastasis? |
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Definition
lungs, liver, bones and brain |
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