Term
In which pathway is Factor VII? |
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Definition
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Term
In which pathway is Factor XII? |
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Definition
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Term
In which pathway is Factor XI? |
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Definition
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Term
In which pathway is Factor IX? |
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Definition
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Term
In which pathway is Factor VIII? |
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Definition
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Term
In which pathway is Factor X? |
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Definition
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Term
In which pathway is Factor V? |
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Definition
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Term
In which pathway is Factor II? |
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Definition
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Term
In which pathway is Factor I? |
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Definition
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Term
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Definition
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Term
What is factor II and IIa? |
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Definition
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Term
What coagulation factors are vitamin K dependent? |
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Definition
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Term
Which clotting factor is not measured by the PTT or PT test? |
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Definition
Factor XIII as it is fibrinase |
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Term
Which vitamin K dependent factor is measured by the PTT test |
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Definition
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Term
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Definition
fibrinase: in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot |
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Term
Which vitamin K dependent factor is not measured by the PTT test? |
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Definition
Factor VII as it is part of the Extrinsic path and PTT measures the intrinsic path. |
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Term
If a person has a circulating platelet count of 300,000, about how many platets would be available in storage? |
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Definition
about 100,000 1/3 of a persons circulating platelets are available in storage |
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Term
Where are most coagulation factors synthesized? |
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Definition
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Term
Which factor is unstable at room temperature? |
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Definition
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Term
Which factor is activated by contact with glass? |
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Definition
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Term
Which factor is actually calcium? |
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Definition
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Term
Which factor is present in both plasma and serum |
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Definition
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Term
Which factor has the highest concentration in blood? |
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Definition
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Term
Which enzyme degrades fibrin? |
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Definition
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Term
How is a genetic deficiency of factor VIII inherited? |
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Definition
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Term
How many platelets does the normal Mgakayocyte produce? |
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Definition
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Term
What are four conditions caused by abnormal clotting? |
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Definition
-heart attack -stroke -deep vein thrombosis -pulmonary embolism |
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Term
What is not a condition caused by abnormal clotting? |
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Definition
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Term
What is the effect of aspirin on platelets? |
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Definition
It inactivated the platelets |
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Term
How is the platelet precusore in the marrow easily recognized? |
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Definition
It is a huge polypoid cell |
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Term
What does a normal non-activated platelet look like? |
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Definition
2-4 micron spiculated cell |
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Term
How is the platelet similat to the red blood cell? |
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Definition
It has no nucleus in the mature form |
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Term
When do we see fibrin degradation products? |
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Definition
when plasmin acts on fibrin clots |
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Term
What causes pernicious anemia? |
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Definition
Lack of intrinsic factor (IF) which is necessary for the absorption of vitamin B12 |
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Term
From where is folic acid acquired in the diet? |
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Definition
green leafy vegetable with stores lasting about six months/ |
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Term
What are three characteristics of megaloblasic red cell changes? |
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Definition
- a decrease in the number of mitoses and larger cells - mature red cells that are typically oval macrocyes - fragile chromatin that easily breaks |
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Term
Methemolobin is unstable and it tends to precipitate out as which inclusion in the red cell? |
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Definition
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Term
Where does intravascular hemolysis take place? |
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Definition
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Term
Extravascular hemolysis results in an increase in |
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Definition
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Term
Extravascular hemolysis results in a decrease in |
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Definition
- blood bilirubin - urine bilirubin - stool bilirubin |
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Term
Red cells with the inherited defect know as sperocytosis would most likely result in: |
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Definition
decreased red cell life span due to extravascular hemolysis of spherocytes (wrong shape detection by spleen) |
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Term
Of how many chains do Hemoglobin Barts consist? |
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Definition
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Term
Arth the blood cell morphology seen in B12 deficiency the same as that seen in folate deficiency? |
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Definition
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Term
The pneumonic phrase: Crawl Slow Fast Accelerate is used for what? |
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Definition
where the hemoglobin ends up on the electrophoresis. Hemoglobin A, as it moves the fastest, will be furthest away from the electrodes. |
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Term
On hemoglobin electrophoresis usine cellulose acestate, the fastes moving hemoglobin is: |
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Definition
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Term
What do the red blod cell indices MCH and MCHC indicate? |
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Definition
The color or chromia of red blood cells |
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Term
What would lead to intravascular hemolysis of red blood cells? |
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Definition
-an artificial heart valve -malaria parasites -marathon running on pavement -burns |
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Term
What doas an increased reticulocyte count indicate? |
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Definition
-increased red cell production -increased red cell turnover |
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Term
What would create an increase in protophorphyrin in the cell? |
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Definition
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Term
Wat would result in microcytic hypochromic red cells? |
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Definition
iron deficiency caused by THALASSEMIA |
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Term
What would cause and increase in Hgb A2? |
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Definition
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Term
What would cause the presence of Hgb Barts? |
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Definition
alpha thalassemia newborn |
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Term
What would cause the presence of Hgb H? |
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Definition
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Term
What would cause the absence of Hgb A? |
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Definition
Homozygous sickle cell anemia |
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Term
What would cause the presence of hexagonal crystals? |
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Definition
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Term
Chromatin fragments within the mature red blood cell are known as: |
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Definition
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Term
what are Howell-jolly bodies? |
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Definition
fragments of non-functional nucleus (cluster -+ DNA) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
associated with neutrophils; bluish |
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Term
Where does the normal catabolism of aged red blood cells take place? |
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Definition
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Term
In an inflammatory condition, from which organ is iron withheld or blocked from leaving? |
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Definition
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Term
When are the megaloblastic changes of red blood cell precursors seen? |
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Definition
-B12 deficiency -folate deficency |
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Term
What would cause megaloblastic changes of red blood cell precursors? |
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Definition
-B12 deficiency -folate deficiency |
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Term
What is the precise cause of pernicious anemia? |
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Definition
Lack of intrinsic factor (IF) in the stomach cells |
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Term
What do Heinz bodies found in the red cells consist of? |
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Definition
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Term
A patient has been brought to the ER with acute bleeding following an accident; if he is an otherwise healthy person, what woul the red blood cell morphology most likely be? |
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Definition
normocytic and normochromic |
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Term
What does the Schilling Test do? |
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Definition
Differenciates dietary B12 deficiency from pernicious anemia (lack of IF) |
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Term
What can one differenciat on the usual hemoglobin electrophoresis pattern? |
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Definition
-sickle cell disease from sickle cell trait -Hgb C disease from Hgb C trait -alpha thalassemia from beta thalassemia |
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Term
What are the hemoglobin conditions from worse to okay? |
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Definition
-Hgb SS -Hgb SC -Hgb SB -Hgb CC -Hgb AS |
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Term
What are three things that would result in polycythemia? |
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Definition
-smoking -living at high altitude -decrease in blood flow to the kidney |
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Term
What would not result in polycythemia? |
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Definition
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Term
What gives the reticulocyte a bluish colot on the Wright's stain? |
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Definition
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Term
During the maturation stage of the neutrophil, what is the characteristic of the promyelocyte? |
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Definition
predominant primary granules |
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Term
During the maturation stage of the neutrophil, what is the characteristic of the myelocyte? |
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Definition
first cell with predominant secondary granules |
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Term
During the maturation stage of the neutrophil, what is the characteristic of the mature neutrophil? |
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Definition
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Term
During the maturation stage of the neutrophil, what is the characteristic of the myeloblast? |
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Definition
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Term
During the maturation stage of the neutrophil, what is the characteristic of the metamyelocyte? |
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Definition
a kidney bean shaped nucleus |
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Term
During the maturation stage of the neutrophil, which cell has the predominant primary granules? |
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Definition
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Term
During the maturation stage of the neutrophil, which cell is the first cell with predominant secondarty granules? |
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Definition
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Term
During the maturation stage of the neutrophil, which cell has a prominant nucleoli |
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Definition
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Term
During the maturation stage of the neutrophil, which cell has a kidney bean shaped nucleus? |
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Definition
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Term
During the maturation stage of the neutrophil, which cell has a segmented nucleus? |
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Definition
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Term
Which white blood cell is found in the greatest quantity in the adult? |
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Definition
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Term
Which white blood cell is found in the greatest quantity in the child? |
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Definition
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Term
What does a 'shift to the left' of the neutrophil line usually mean? |
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Definition
the presence of a bacterial infection |
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Term
what would be the most likely cause for a large increas in blood basophils? |
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Definition
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Term
For what is the Leukocyte Alkaline Phosphatase (LAP) test used? |
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Definition
to differentiate lekemoid rxn form CML |
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Term
What is meant by leukemoid reaction? |
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Definition
a high powered reaction to a bacterial infection |
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Term
What are the characteristics of a leukemoid reaction? |
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Definition
-an increase in neutrophils -an increase in immature neutrophils -presence of severe bacterial infection |
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Term
In which cell is an auer rod seen? |
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Definition
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Term
Acute lymphocytic leukemia is primaily seen in |
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Definition
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Term
What is a monocyte when it enters the tissues called? |
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Definition
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Term
Why are basophils sometime referred to as "suicide bags"? |
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Definition
they contain mediators of anaphylaxis |
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Term
Which leukemia has the greates life expectency? |
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Definition
Chronic Lymphocytic Leukemia (CLL) |
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Term
What happens to the quantity of neutrophils at the release of epinephrine? |
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Definition
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Term
A patient with intesinal parasites may have an increas in: |
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Definition
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Term
In which leukemia is the Philadelphia chromosome found? |
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Definition
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Term
During the maturation stage of the neutrophil, which cell has no cytoplasmic granules? |
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Definition
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Term
What is the major source of enery in the mature RBC? |
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Definition
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Term
What is the major source of energy in the nucleated RBC? |
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Definition
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Term
What is the source of 2,3 DPG for the RBC? |
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Definition
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Term
what is the source of H+ to reduce methemoglobin in the RBC? |
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Definition
methemoglobin reductase path |
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Term
what is teh source of reduced glutathione to neutralize oxidants in the blood? |
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Definition
hexose monophosphate shunt |
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Term
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Definition
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Term
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Definition
variation in size of RBCs |
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Term
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Definition
variation in shape of RBCs |
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Term
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Definition
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Term
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Definition
variation in color of RBCs |
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Term
In the WBC, what are the drumsticks of nuclear material of the neutrophil? |
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Definition
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Term
In the WBC, what are the red rod-like inclusions in the cytoplasm of the neutrophil? |
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Definition
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Term
In the WBC, what is the light blue discoloration of the cytoplasm of the neutrophil? |
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Definition
dohle bodies (toxic reactions) |
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Term
In the WBC, what is associated with bacterial infection and can be seen in the neutrophil? |
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Definition
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Term
In the WBC, what has a six-segmented nucleus in the neutrophil? |
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Definition
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Term
What would happen to the platelet count in CML? |
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Definition
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Term
In CML, what would happen to the WBC count? |
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Definition
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Term
In CML, what would happen to the basophil count? |
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Definition
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Term
In CML, what would happen to the eosinophil count? |
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Definition
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Term
In CML, what would happen to the immature lymphocytes? |
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Definition
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