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Microbiology - Immune System

Exercise : Immune System - Section 1
  • Immune System - Section 1
21.
Lysozyme is present in
sweat
Cerebro spinal fluid (CSF)
urine
saliva
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is
actin
interleukin
HLA
CD8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The role of the M cell is to
trap virus in mucus and prevent entry
induce apoptosis in virus-infected small intestinal epithelia cells
pass bacteria or virus to underlying macrophages for processing and presentation of antigen
they use their cilia to propel mucus out of the small intestine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following statements is false regarding B cells?
B cells can undergo class switching and produce a different antibody type
B one marrow stem cells migrate to the thymus and develop into B cells
B cells synthesize antibodies and put them on their cell surface
B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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