Infection with the HIV virus occurs through
A) eating contaminated food.
B) airborne droplets from coughs and sneezes.
C) intimate contact with an infected person's body fluids.
D) casual contact with an infected individual.
E) sharing clothes with an infected individual.
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Question 2) Injury to the neurons of a collateral ganglion would affect the function of the
A) heart.
B) pupils.
C) sweat glands.
D) digestive tract.
E) arrector pili muscles.
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Question 3) The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively infects ________ cells.
A) B
B) plasma
C) cytotoxic T
D) helper T
E) suppressor T
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Question 4) Clusters of ganglionic sympathetic neurons that innervate organs in the abdominopelvic region are called ________ ganglia.
A) intramural
B) collateral
C) chain
D) paravertebral
E) adrenal
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Question 5) Inappropriate or excessive immune responses to antigens are
A) immunodeficiency diseases.
B) autoimmune diseases.
C) allergies.
D) the result of stress.
E) signs of a weak immune system.
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Question 6) Clusters of ganglionic sympathetic neurons lying along either side of the spinal cord are called sympathetic ________ ganglia.
A) intramural
B) collateral
C) chain
D) paravertebral
E) adrenal
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Question 7) Autoantibodies are
A) produced by activated T cells.
B) produced during an allergic reaction.
C) directed against the body's own antigens.
D) the first step in immunological competence.
E) important in tissue rejection reactions.
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Question 8) Preganglionic neurons of the sympathetic nervous system are located in the
A) lateral gray horns of the cervical cord.
B) anterior gray horns of the cervical and thoracic spinal cord.
C) lateral gray horns of segments T1 to L2 of the spinal cord.
D) anterior gray horns of segments T1 to L2 of the spinal cord.
E) lateral gray horns of T1 to S2 of the spinal cord.
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Question 9) Newborns gain their immunity initially from
A) early immunizations during routine neo-natal check-ups.
B) contact with viruses and bacteria.
C) antibodies passed across the placenta from the mother.
D) contact with siblings.
E) breast milk.
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Question 10) In the sympathetic nervous system, where are the preganglionic neurons located?
A) cervical and sacral segments of the spinal cord
B) sacral segments of the spinal cord
C) brain stem
D) thoracic and lumbar segments of the spinal cord
E) cerebellum
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