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Immunology Study Cards Exam 3
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135
Biology
Undergraduate 3
10/26/2014

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Term
C' fixation occurs on the ____ portion of the ABY
Definition
Fc
Term
What is the function of C3a
Definition
Anaphylotoxin
Term
How is type II hypersensitivity determined in the laboratory?
Definition
Test for blood group ABYs, platelet ABYs, and specific ABYs depending on disease
Term
The patient has symptoms of SLE - the ANA test if positive and exhibits the peripheral pattern. What test is appropriate to diagnosis SLE?
Definition
Look for anti-dsDNA (native DNA) using the Crithidia test
Term
What does CR-2 do?
Definition
Receptor for C2b degradation products; receptor for EBV
Term
What are considered the extractable nuclear antigens
Definition
SSA/SSB, Smith, RNP
Term
What diseases are associated with the nucleolar pattern?
Definition
Sjogren and Scleroderma
Term
What are the 3 types of graft rejection?
Definition
Hyperacute, Acute, and Chronic
Term
What are some causes of contact dermatitis
Definition
Poison Ivy, oak, sumac
Nickel and rubber
Term
What is proto-oncogene
Definition
Gene that promotes normal growth; when it becomes altered it becomes an oncogene
Term
What is included in the activation unit of the classical C' pathway?
Definition
C4, C2, C3
Term
What is the usual recommendation for storage and transport of specimens for C' assays?
Definition
Refrigeration
Term
What is the immune response to tumor cells?
Definition
Cell-mediated T-cells
Term
What is the anti-CCP ABY?
Definition
Specific test for RA
Term
What are some drugs that are commonly used to prevent tissue/organ rejection?
Definition
Cyclosporine, Azathioprine, Steroids; specific therapy to Decrease T cells
Term
From the following lymphocytotoxicity results determine if the controls are correct and the patient's class I AGN:
Control cells w/B22 AGN + B22 ABY + C' = Blue
Control cells w/B18 AGN + B18 ABY + C' = Blue
Patient cells + B22 ABY + C' = Colorless
Patient cells + B18 ABY + C' = Blue
Definition
Patient's cells have B18 AGN
Term
What is a hypersensitivity reaction?
Definition
Immune response that harms the body
Term
Chemical mediators that are released from mast cells in Type I hypersensitivity include (5)
Definition
Leukotrienes, Cytokines, Prostaglandins,Histamine, Platelet Activating factor
Term
What is the regulatory function of decay accelerating factor?
Definition
Dissociates C3 convertase;
Prevents bystander cell lysis
Term
What is the basic mechanism of action and speed associated with hyperacute reactions
Definition
ABY to ABO & HLA AGNs present at time of transplantation;
Occurs within minutes
Term
Define carcinoma
Definition
Cancer that originated from epithelial cells
Term
What is the mechanism of action for Type III hypersensitivity
Definition
Immune complex deposited in tissue & C' fixed = tissue damage
Term
What specific ABY is associated with Goodpasture's syndrome
Definition
ABY to glomerular basement membrane of kidney
Term
What is the significance of anti-Scl-70 ABY?
Definition
Poor prognosis marker for Scleroderma patient
Term
Which test methods are used to perform the ANA testing?
Definition
Indirect Enzyme ABY test
Indirect Fluorescent ABY test for ABY
Term
Which type of autoimmune hemolytic anemias are associated with Type II hypersensitivity
Definition
Cold (IgM), Warm (IgG), and idiopathic
Term
What disease is associated with the centromere pattern?
Definition
CREST variant of progressive systemic sclerosis
Term
Which tumor AGNs are considered oncofetal AGNs
Definition
CEA, AFP, & Beta HCG
Term
Which tissue transplant does not require any compatibility testing
Definition
Corneal
Term
What is the meaning of sarcoma
Definition
Cancer that originates from CT
Term
Which tissue/organ transplants require ABO compatibility?
Definition
Kidney, heart, lung, liver, and pancreas
Term
Which specific ABY is associated with pernicious anemia?
Definition
ABY to gastric parietal cells in stomach
Term
The patient has symptoms of SLE so the doctor requests an ANA test and Crithidia test. The ANA test is positive for the homogeneous pattern but the Crithidia test is negative. Can the doctor assume that the patient doesn't have SLE?
Definition
No - anti-dsDNA is only present in a certain percentage of patients with SLE
Term
What is an immunotoxin
Definition
Monoclonal ABYs + toxin
Term
When is the Crithidia test used
Definition
To detect anti-double stranded DNA (anti-native DNA)
Term
What is rheumatoid factor?
Definition
IgM directed against Fc portion of IgG
Term
What is the serological method for detecting HLA AGNs
Definition
Lymphocytotoxicity test recommended for class I only (PCR for class II)
Term
Where does the lectin pathway intersect the classical pathway?
Definition
C3 convertase
Term
What is the basic sequence of events in the classical pathway?
Definition
C1, C4, C2, C3, C5-9
usually "a" goes away and "b" binds
Term
What are atopic AGNs
Definition
AGNs that trigger the formation of large amounts of IgE
Term
Which specific ABY is associated with Myasthenia gravis
Definition
ABY to acetylcholine receptors
Term
What is the mechanism of action for type II hypersensitivity?
Definition
ABY binds to cell surface
C' fixed & cell lysis
OR cell destroyed by ADCC
Term
What are the symptoms associated with progressive systemic sclerosis
Definition
Raynaud Phenomenon & stone facies
Term
What is another name for atopic AGNs
Definition
Allergen
Term
What is the basic mechanism of action and speed associated with chronic rejection
Definition
Due to T cell and B cells;
Occurs months to years following transplantation
Term
What are lectins
Definition
Proteins that bind to carbohydrates
Term
Where do the classical and alternate pathways intersect
Definition
C5 convertase
Term
Define lymphoma
Definition
Malignant hematopoietic cells involving tumor masses
Term
Diseases associated with type IV hypersensitivity
Definition
Granulomatous hypersensitivity, Hypersensitivity pneumonitis, TB skin test, Contact dermatitis
Term
Which specific ABY is associated with Graves' Disease
Definition
ABY to thyroid-stimulating hormone receptor;
causes HYPERthyroidism
Term
Which immunoglobin is most effective in activating C'
Definition
IgM
Term
What is the mechanism of action for type IV hypersensitivity
Definition
T cell activated
Term
What is the regulatory function of CD59
Definition
Blocks insertion of C9 into the membrane
Term
Which AGNs are associated with the speckled pattern
Definition
Scl-70, Smith, RNP, SSA/SSB
Term
What is the regulatory function of Factor I (the inactivator)
Definition
Inactivates C3b and C4b with help from Factor H, DAF, CR1, and C4BP
Term
What are the symptoms associated with Sjogren syndrome?
Definition
Dry mouth and eyes
Term
Hashimoto's thyroiditis destroys the thyroid and results in
Definition
HYPOthyroidism
Term
Which immunoglobulins fix (activate) C'
Definition
IgG and IgM
Term
Besides autoimmune hemolytic anemias, what autoimmune diseases are associated with Type II hypersensitivity
Definition
Insulin-dependent diabetes mellitus
Goodpasture's
Hashimoto's
Myasthenia Gravis
Term
What is included in the recognition unit of the classical C' pathway
Definition
C1
Term
What is the purpose of using drugs to treat transplant patients
Definition
Treatment is designed to suppress T cell responses and inflammation
Term
Define atopy
Definition
Inherited propensity to develop allergies
Term
What type of hypersensitivity is autoimmune or idiopathic thrombocytopenic purpura associated with?
Definition
Type II
Term
Which hypersensitivity reactions are considered "immediate" and how long is "immediate"
Definition
I, II, III
Minutes to hours
Term
Which specific ABY is associated with Addison's disease
Definition
ABY to Adrenal cells
Term
Which AGNs are associated with the peripheral pattern?
Definition
DNA, DNP, Histone
Term
What is a carcinogen
Definition
Cancer producing substance
Term
How is type III hypersensitivity determined in the laboratory
Definition
Test for Immune Complexes in tissue
Term
What is the purpose of the total hemolytic C' assay (CH50)
Definition
Functional assay;
If abnormally low, do more tests for individual C' components
Term
Which hypersensitivity reaction is considered "delayed" and how long is "delayed"
Definition
IV
Within days
Term
What are some examples of diseases associated with type III hypersensitivity
Definition
Polyarteritis nodosa
Arthus rx
Serum sickness
RA
SLE
Glomerulonephritis
Term
What is the deficiency in paroxysmal nocturnal hemoglobinuria (PNH) and the result of the deficiency
Definition
Deficient in DAF & CD 59;
RBCs lysis due to bystander cell lysis
Term
The patient has symptoms of SLE - the ANA test is positive and exhibits the speckled pattern. What test is appropriate to diagnosis SLE?
Definition
Anti-Smith using the immunodiffusion test
Term
The Radioimmunosorbent test detects
Definition
TOTAL IgE
Term
The patient has symptoms of SLE so the doctor requests an ANA test and detection of anti-smith ABY. The ANA test is positive for the speckled pattern but the Anti-Smith test is negative. Can the doctor assume that the patient doesn't have SLE?
Definition
No
The anti-Smith is only present in a certain % of patients with SLE
Term
Which specific ABY is associated with autoimmune thrombocytopenic purpura?
Definition
ABY to platelets
Term
Evasion mechanisms of tumor cells include
Definition
Failure to induce CTLs
Loss of Expression of tumor AGN
Induction of tolerance to tumor AGNs
Immunosuppressive proteins
Term
The function of C' includes
Definition
Removal of Immune complexes
Amplify immune & inflammatory reactions
Cell lysis
Opsonization & phagocytosis
Term
What is the function of C3b
Definition
Opsonin
Term
Is the positive test result A or B in the C' fixation test shown below
A = Complex formed, No hemolysis
B = No complex formed, Hemolysis occurs
Definition
A
No hemolysis means the ABY or AGN is present
Term
Which AGNs are associated with the nucleolar pattern?
Definition
RNA polymerase
Scl-70
Nucleolar RNA
Nucleolar protein
Term
What is the result of early C' component deficiencies?
Definition
Autoimmune-like diseases
Term
What are the symptoms associated with SLE
Definition
Many
Butterfly Rash on face
Term
What are tumor-specific AGNs
Definition
Unique AGNs found on specific tumor cell and NOT on other cells
Term
Is the lectin pathway activated by ABYs
Definition
No
It becomes activated when it binds to mannose on bacterial cell walls
Term
Diseases that are considered CT Diseases include
Definition
SS
RA
MCTD
Polymyositis/dermatomyositis
SLE
Scleroderma
Term
Place the following steps for the ANA test in the correct order:
a. Add anti-human ABY labeled w/enzyme; incubate and rinse
b. Hep-2 cells on slide
c. Add substrate and read with light microscope
d. Add patient serum; incubate and rinse
Definition
b, d, a, c
Term
Which specific ABY is associated with insulin-dependent diabetes mellitus
Definition
ABY to Beta cells in pancreas
Term
Which AGN is associated with the centromere pattern??
Definition
Centromere chromatin
Term
What diseases are associated with the homogeneous pattern?
Definition
RA
MCTD
Sjogren
SLE
Term
What is a xenograft
Definition
Transplant from one species to another
Term
What are tumor suppressor genes?
Definition
Genes that normally inhibit growth of tumors
Term
Which tissue transplant does NOT require ABO compatibility but DOES require HLA compatibility
Definition
Allogenic BM
(Peripheral blood progenitor cells and cord blood)
Term
What diseases are associated with the speckled pattern?
Definition
MCTD
RA
Scleroderma
Sjogren
SLE
Term
What diseases are associated with the peripheral pattern?
Definition
SLE
Sjogren
Term
What is a graft
Definition
Transplanted tissue or organ
Term
What cells are included in the cell-mediated response?
Definition
NKs
CTLs
Macrophages
Term
Define Leukemia
Definition
Malignant hematopoietic cells involving single cells
Term
What symptoms are associated with Type I hypersensitivity
Definition
Wheal and flare
Rhinitis
Hives
Asthma
Hay fever
Anaphylactic shock
Term
What is immune surveillance
Definition
The ongoing removal of abnormal cells by the immune system
Term
What is included in the membrane attack unity of the classical C' pathway
Definition
C5-9
Term
What is an autograft
Definition
Donor tissue from host
Term
Which AGNs are associated with the homogeneous pattern?
Definition
DNP, DNA, Histone
Term
What is the function of C5a
Definition
Anaphylotoxin and chemotaxin
Term
What is a malignant tumor
Definition
Tumor that is capable of spreading
Term
The patient has symptoms of SLE but the only ABY present is anti-histone. What is the significance of the ABY
Definition
Patient probably has drug-induced SLE
Term
Define neoplasm
Definition
New uncontrolled growth of cells derived from one's one tissues
Term
Which specific ABY is associated with autoimmune hemolytic anemia
Definition
ABY to RBCs
Term
What are some microorganisms associated with cancer?
Definition
EBV - Burkitt's lymphoma
Papilloma Virus - Cervical cancer
Term
Define innocent bystander cell lysis
Definition
C' components deposited on host cells
target for phagocytosis
Term
What are oncogenes
Definition
Genes capable of producing neoplastic transformation
Term
Which tumor AGN is considered a glycoprotein
Definition
CA-125
Term
What is a benign tumor?
Definition
Tumor usually confined to a single site
Term
What does CR-1 do?
Definition
Receptor on cells for C3b and C4b
Removes immune complexes
Term
Does a Positive RF test always indicate the patient has RA?
Definition
No
RF can be present in patients with other diseases than RA
Term
What non-autoimmune diseases are associated with Type II hypersensitivity reaction?
Definition
Hemolytic Disease of Newborn
Transfusion Reactions
Term
What is a tumor
Definition
Abnormal tissue resulting from uncontrolled growth
Term
The Radioallergosorbent test detects the level of
Definition
Specific IgE
Term
What are tumor-associated AGNs
Definition
AGNs found on tumor AND normal cells
Term
Example of tumor-associated AGN
Definition
Oncofetal AGN
Term
Place the events that occur in Type I hypersensitivity in the correct order:
a. Allergen crosslinks IgE receptors
b. Chemical mediators released from cell
c. IgEe binds to mast/basophil
d. Allergen stimulates IgE
Definition
d, c, a, b
Term
What is an Autoimmune disease?
Definition
Disease results when host immune system can NOT discriminate self from nonself
Term
What is the regulatory function of S protein (vitronectin)
Definition
Binds to C5b67
Prevents bystander lysis
Term
What is the deficiency in hereditary angioedema and the result of the deficiency
Definition
Deficient in C1-INH
Results in Excess C' activation and edema
Term
What is the meaning of metastasis
Definition
Spread of the disease from one part of the body to another
Term
What is the result of later C' deficiencies
Definition
Recurrent Neisseria infections
Term
Place in order the basic sequence of events in the alternative pathway:
a. C3 tickover; C3b binds to MO cell wall
b. D cleaves B = C3bBb = C3 convertase
c. C3 convertase cleaves C3
d. C3BbC3b = C5 convertase
e. B binds to C3b
Definition
a, e, b, c, d
Term
What is the primary lectin involved in the lectin pathway
Definition
Mannose
Term
What tumor AGNs are screened for in the laboratory
Definition
CA-125
Calcitonin
AFP
CEA
Beta HCG
Term
What is a syngraft
Definition
Transplant between identical twins
Term
What is the basic mechanism of action and speed associated with acute rejection?
Definition
Due to T and B cells
Occurs in days to weeks after transplantation
Term
What is the regulatory function of C1-INH
Definition
Dissociates C1
Term
Which tumor AGNs are considered organ specific AGNs
Definition
PSA
Calcitonin
Term
What is an allograft
Definition
Transplant between two different individuals of the same species
Term
What autoimmune diseases are associated with various types of hypersensitivity
Definition
Autoimmune Hemolytic Anemia (II)
SLE (III)
RA (III)
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