Immune System

 

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Immune System

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Question 1
Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on
A
chromosome 21 in man, chromosome 6 in mice
B
chromosome 6 in man, chromosone 21 in mice
C
chromosome 17in man, chromosome 6 in mice
D
chromosome 6 in man, chromosome 17 in mice
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Question 2
Large parasites such as helminthes may be killed extracellularly by the action of
A
basophils
B
monocytes
C
eosinophils
D
neutrophils
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Question 3
CD8 surface antigen is present in
A
cytotoxic T cells
B
suppresssor T cells
C
both (a) and (b)
D
none of these
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Question 4
Immunity is not long lasting to
A
influenza
B
whooping cough
C
diphtheria
D
mumps
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Question 5
Which of the following statements is false regarding B cells?
A
B cells can undergo class switching and produce a different antibody type
B
B one marrow stem cells migrate to the thymus and develop into B cells
C
B cells synthesize antibodies and put them on their cell surface
D
B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow
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There are 5 questions to complete.

 

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