Which is not a way that antigen-antibody complexes may cause elimination of the antigen?
A) opsonization
B) enhancing phagocytosis
C) activation of complement
D) neutralization
E) sensitization
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Question 2) Sympathetic preganglionic fibers are ________ and have ________ axons.
A) short; myelinated
B) short; unmyelinated
C) long; myelinated
D) long; unmyelinated
E) intermediate; small
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Question 3) Anti-A and Anti-B blood typing antibodies are of which class?
A) IgG
B) IgE
C) IgD
D) IgM
E) IgA
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Question 4) A pedestrian narrowly avoids being hit by an oncoming car. He notices that it takes a little while for his heart rate and respiratory rate to return to normal. This is likely because
A) the parasympathetic nervous system has become activated.
B) sympathetic activation of the adrenal medulla has released epinephrine and norepinephrine into the bloodstream.
C) the splanchnic nerves have become activated.
D) somatic motor neurons have increased the heart and respiratory rate.
E) the corticospinal pathway has become activated.
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Question 5) Pregnant women are encouraged to get flu shots so that the maternal ________ can pass through the placenta to the fetus.
A) IgG
B) IgE
C) IgD
D) IgM
E) IgA
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Question 6) Which is not a sympathetic ganglion?
A) celiac
B) otic
C) inferior mesenteric
D) superior mesenteric
E) sacral chain
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Question 7) A sensitized B cell typically is not activated until
A) it binds a helper T cell that releases cytokines.
B) it binds a cytotoxic T cell.
C) memory B cells have been cloned.
D) it has cloned plasma cells.
E) antibodies have been produced.
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Question 8) Sympathetic nerves contain postganglionic fibers that innervate organs in which cavity?
A) thoracic
B) pelvic
C) abdominal
D) cranial
E) abdominopelvic
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Question 9) Partial antigens that do not cause B cell activation alone are called
A) complete antigens.
B) immunoglobulins.
C) mature antigens.
D) haptens.
E) short chains.
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Question 10) Sympathetic postganglion fibers that innervate the small intestines originate from the
A) inferior mesenteric ganglion.
B) cardiac plexus.
C) celiac ganglion.
D) sacral splanchnic nerves.
E) superior mesenteric ganglion.
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