During the maturation of a B lymphocyte, the first immunoglobulin heavy chain synthesized is the

Immunology Quiz

Quiz
•
Biology
•
Professional Development
•
Hard
Sunil Shivekar
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mu chain.
gamma chain.
epsilon chain.
alpha chain.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A primary immune response in an adult human requires approximately how much time to produce detectable antibody levels in the blood?
12 hours
3 days
1 week
3 weeks
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antibody effector functions include all of the following EXCEPT
activating complement on bacterial surfaces to promote phagocytosis by neutrophils.
binding extracellular viruses to block their entry into host cells.
binding intracellular viruses to initiate cytotoxicity.
blocking uptake of bacterial toxins by host cells.
coating bacteria to promote their phagocytosis by neutrophils.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antigen-presenting cells that activate helper T cells must express which one of the following on their surfaces?
IgE
gamma interferon
class I MHC antigens
class II MHC antigens
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following substances is NOT released by activated helper T cells?
interleukin-1
gamma interferon
interleukin-2
interleukin-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The alternative pathway of complement activation
Properdin
Factor D
Factor B
Microbial polysaccharide
All of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The membrane IgM and IgD on the surface of an individual B cell
have identical heavy chains but different light chains
are identical except for their CH regions
are identical except for their VH regions
have different VH and VL regions
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