Immunology Quiz
Preview:
Which complement protein is the key intermediate in all complement pathways?
A. C4
B. C2
C. C3
D. C1
What is a graft between different members of the same species termed?
A. Autograft
B. Allograft
C. Xenograft
D. Isograft
Newborns get their antibodies from mothers milk. This is an example of
A. Naturally acquired active immunity
B. Artificially acquired active immunity
C. Naturally acquired passive immunity
D. Artificially acquired passive immunity
A patient unable to produce mature B cells may have a mutation in:
A. AID
B. Bcl-6
C. Btk
D. ITAMs
Which of the following is the most abundant?
A. Basophil
B. Neutrophil
C. Eosinophil
D. Monocyte
Pre-B cell receptors consist of _____.
A. heavy and light chain
B. a chain and B chain
C. heavy chain and J chain
D. heavy chain and VpreB and y5
In Rocket Electrophoresis, a higher antigen concentration is proportional to:
A. The time of incubation until the reaction is finished
B. The size of the agglomerate
C. The length of the precipitin arc or rocket.
D. The length of the arc formation when two antigens are identical
Which of the following enhances immune system response but binds with the antigen or immunogen?
A. Adjuvants
B. Haptens
C. Carrier
In agglutination reactions such as in the case of ABO blood typing, a +4 reaction is described as:
A. A single clump of agglutination with no free cells.
B. No macroscopic Agglutination
C. None of these
D. Many fairly large clumps with few free cells
Patients undergoing treatment with complement therapeutics for hereditary angioedema (HAE) would expect to have which of the following laboratory values?
A. normal C4 and C2
B. decreased C4 and C2
C. increased C4 and C2
D. increased C4 and low C2
Which of the following is NOT true of T-independent antigens?
A. they are rarely proteins
B. they may contain PAMPs
C. they may be heavily polymerized
D. they are rarely carbohydrates
The graph shows the antibody levels in the blood after a person has been exposed twice to the same pathogen. With regard to this pathogen we can conclude that
A. the person has a deficient immune response.
B. the virulence of the pathogen increased between the first and second exposures.
C. antibodies are only produced after a second exposure to the pathogen.
D. memory cells for antibodies against the pathogen exist at the time of the second exposure.
AID converts cytosine into which of the following?
A. adenine
B. thymine
C. uracil
D. guanine
E. none of the above
Explain the figure.
A. Viral load decreases with increasing immune response
B. second viral load is curbed faster due to memory cells
C. viral load decrease immune response
D. with time both immune response and viral load decreases
What is the name of the area marked A?
A. Variable region
B. Constant region
C. Light chain
D. Heavy chain