QUESTION 8
Toddlers have many functioning parts of their immune systems, but
there is one part that is usually not able to work until about age
2. The part is known as
A. T-dependent antigen response
B. T-independent antigen response
C. IgG production
D. Memory cell response
E. Cytokine activation of a B cell
QUESTION 9
Which of the following is NOT a possible result of antigen-antibody
binding?
A. Agglutination
B. Neutralization
C. Opsonization
D. B cell destruction
E. Activation of complement
QUESTION 10
Heavy chains and light chains are two common features of
antibodies.
True
False
QUESTION 11
Antibodies themselves are responsible for destroying invaders.
True
False
QUESTION 12
Memory cells are made by plasma cells.
True
False
QUESTION 13
Class switching refers to a plasma cell that creates a new class of
antibody, for example producing IgA instead of IgM.
True
False
QUESTION 14
It is possible that HIV can prevent T-dependent immunity from
functioning.
True
False
QUESTION 15
Our immunity is dependent on the ability to recognize “self.”
True
False
QUESTION 16
Infant IgM and IgA ARE ENHANCED by vaccination, even though they
cannot yet make their own IgG.
True
False
9. option B is correct.
B cells are not destroyed in any case.
10. The statement is True.
anbodies contain two types of chain : heavy chain and light chain.
11. the given statement is true.
antibodies form complex with invader and disable it to bind with other cells. due to this invader dies itself.
12. The given statement is false.
memory cells are made from B-cells.
13. The given statement is true.
class switching is a biological mechanism that changes production of immunoglobins from one type to another.
14. The given statement is true.
HIV causes the death of CD4 T-cells.
15. The given statement is true.
our body immune system recongnise self and non self (foreign) cells.
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