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Microbiology - Immune System

Exercise : Immune System - Section 1
  • Immune System - Section 1
1.
Large parasites such as helminthes may be killed extracellularly by the action of
basophils
monocytes
eosinophils
neutrophils
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following is correct for CD8 T cells?
CD8 T cells only recognize virus-infected cells
CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells
In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only
CD8 T cells can kill individual virus-infected cells in a contact dependent fashion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Passive immunization is done for
tuberculosis
diphtheria
enteric fever
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Which of the following is correct for isoantigens?
They are antigens found in all members of different species
They are antigens found in some members of a species
They are antigens found in all members of a species
They are antigens found in some members of different species
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated?
By rearrangements of the DNA encoding the variable regions of the heavy and light chains
By the combination of different heavy and light chains that form the antigen binding site
Antibody proteins can physically change their shape to bind different epitopes
Both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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