HCS 212 TEST BANK 17
Question 1.
The activities of the nervous system, comprised of conscious thoughts, plans, and actions, A) include the majority of nervous activity.
B) represent only a small portion of the activities of the nervous system. C) regulate all vital physiological functions. D) may require
instructions or modifications from the ANS to function correctly. E) are all that are necessary to sustain life.
ANSWER
b
Question 2.
In the ANS A) preganglionic fibers innervate the peripheral organs. B) preganglionic fibers are unmyelinated. C) there is always a
synapse between the CNS motor neuron and the peripheral effector. D) motor neuron pathways synapse in the same patterns as in
the somatic nervous system. E) None of the answers are correct.
ANSWER
c
Question 3.
The autonomic division of the nervous system directs A) voluntary activity. B) conscious control of skeletal muscles. C) behavior. D)
emotions. E) processes that maintain homeostasis.
ANSWER
e
Question 4.
In the autonomic nervous system A) the lower motor neuron directly controls the effector organ. B) there is always a synapse located
between the CNS and the effector organ. C) motor neurons do not synapse but are connected by communicating junctions. D) some
motor neurons release both ACh and NE. E) None of the answers are correct.
ANSWER
b
Question 5.
The major divisions of the autonomic nervous system (ANS) include A) the conscious and unconscious nervous systems. B) the
sympathetic and parasympathetic divisions. C) pre-and postganglionic fibers. D) the voluntary and involuntary divisions. E) None of
the answers are correct.
ANSWER
b
Question 6.
Norepinephrine released from the sympathetic fibers is usually A) inhibitory. B) reverberating. C) excitatory. D) long lasting. E) None
of the answers are correct.
ANSWER
c
, Question 7.
The most widely used neurotransmitter in the ANS is A) NE. B) epinephrine. C) ACh. D) GABA. E) All of the answers are correct.
ANSWER
c
Question 8.
Tissue responses to neurotransmitters A) are always excitatory. B) result from opening ion channels. C) are always inhibitory. D) vary
depending upon the response of the membrane receptor to the presence of the neurotransmitter. E) result from the formation of
second messengers.
ANSWER
d
Question 9.
Which of the following applies to postganglionic neurons of the ANS sympathetic division? A) Their cell bodies are located between
spinal segments T1 and L2. B) Their cell bodies are situated in the lateral gray horns of the spinal cord. C) Their axons synapse with
the peripheral effector organs. D) Their axons emerge along the ventral roots of the spinal cord between segments T1 and L2. E)
Some fibers do not synapse until the collateral ganglia.
ANSWER
c
Question 10.
Generally speaking, the ANS A) causes relatively short-term changes. B) is always active. C) can inhibit or activate an organ. D)
releases several different neurotransmitters. E) All of the answers are correct.
ANSWER
e
Question 11.
In the autonomic nervous system two neurons are used outside of the CNS, whereas in the somatic nervous system ________
neuron(s) are used outside of the CNS. A) zero B) one C) three D) four E) ten
ANSWER
b
Question 12.
The term enteric nervous system refers to A) the set of neurons in the lower thoracic region of the cord that controls the small
intestine. B) the complex of nerves covering the esophagus. C) the rather large network of nerves involved in the inferior mesenteric
plexus. D) the fact that the digestive system uses many short reflexes and is capable of regulating itself without the CNS. E) There is
no such thing as an enteric nervous system.
ANSWER
d
, Question 13.
Preganglionic fibers of the sympathetic nervous system that carry motor impulses to targets in the abdominopelvic cavity synapse in
a(n) A) intramural ganglion. B) collateral ganglion. C) suprarenal ganglion. D) sympathetic chain ganglion. E) celiac ganglion.
ANSWER
b
Question 14.
The sympathetic division of the ANS generally A) stimulates tissue metabolism. B) increases alertness. C) prepares the body to deal
with emergencies. D) is called the "fight or flight" division. E) All of the answers are correct.
ANSWER
e
Question 15.
A fiber passing through a gray ramus is most likely to be A) sympathetic. B) unmyelinated. C) heading toward the body wall. D)
carrying an action potential that will cause NE re-lease. E) All of the answers are correct.
ANSWER
e
Question 16.
The sympathetic division of the ANS includes which of the following? A) three segmentally arranged sympathetic chains B) two
suprarenal medullae C) paired collateral ganglia anterior to the spinal column D) All of the answers are correct. E) None of the
answers are correct.
ANSWER
b
Question 17.
Signs of sympathetic stimulation include A) an increase in cardiovascular and respiratory activity. B) a decrease in blood pressure. C)
deactivation of the extrapyramidal system. D) a feeling of lethargy. E) decreased sweating.
ANSWER
a
Question 18.
Chain ganglia that fuse in the cervical and thoracic regions are called the A) otic ganglion. B) sphenopalatine ganglion. C) stellate
ganglion. D) ganglion impar. E) intramural ganglia.
ANSWER
c
Question 19.
A highly specialized region of the sympathetic division that causes widespread sympathetic activation is found in (the) A) brain. B)
suprarenal medulla. C) spinal cord. D) kidney. E) None of the answers are correct.
ANSWER
b
Question 1.
The activities of the nervous system, comprised of conscious thoughts, plans, and actions, A) include the majority of nervous activity.
B) represent only a small portion of the activities of the nervous system. C) regulate all vital physiological functions. D) may require
instructions or modifications from the ANS to function correctly. E) are all that are necessary to sustain life.
ANSWER
b
Question 2.
In the ANS A) preganglionic fibers innervate the peripheral organs. B) preganglionic fibers are unmyelinated. C) there is always a
synapse between the CNS motor neuron and the peripheral effector. D) motor neuron pathways synapse in the same patterns as in
the somatic nervous system. E) None of the answers are correct.
ANSWER
c
Question 3.
The autonomic division of the nervous system directs A) voluntary activity. B) conscious control of skeletal muscles. C) behavior. D)
emotions. E) processes that maintain homeostasis.
ANSWER
e
Question 4.
In the autonomic nervous system A) the lower motor neuron directly controls the effector organ. B) there is always a synapse located
between the CNS and the effector organ. C) motor neurons do not synapse but are connected by communicating junctions. D) some
motor neurons release both ACh and NE. E) None of the answers are correct.
ANSWER
b
Question 5.
The major divisions of the autonomic nervous system (ANS) include A) the conscious and unconscious nervous systems. B) the
sympathetic and parasympathetic divisions. C) pre-and postganglionic fibers. D) the voluntary and involuntary divisions. E) None of
the answers are correct.
ANSWER
b
Question 6.
Norepinephrine released from the sympathetic fibers is usually A) inhibitory. B) reverberating. C) excitatory. D) long lasting. E) None
of the answers are correct.
ANSWER
c
, Question 7.
The most widely used neurotransmitter in the ANS is A) NE. B) epinephrine. C) ACh. D) GABA. E) All of the answers are correct.
ANSWER
c
Question 8.
Tissue responses to neurotransmitters A) are always excitatory. B) result from opening ion channels. C) are always inhibitory. D) vary
depending upon the response of the membrane receptor to the presence of the neurotransmitter. E) result from the formation of
second messengers.
ANSWER
d
Question 9.
Which of the following applies to postganglionic neurons of the ANS sympathetic division? A) Their cell bodies are located between
spinal segments T1 and L2. B) Their cell bodies are situated in the lateral gray horns of the spinal cord. C) Their axons synapse with
the peripheral effector organs. D) Their axons emerge along the ventral roots of the spinal cord between segments T1 and L2. E)
Some fibers do not synapse until the collateral ganglia.
ANSWER
c
Question 10.
Generally speaking, the ANS A) causes relatively short-term changes. B) is always active. C) can inhibit or activate an organ. D)
releases several different neurotransmitters. E) All of the answers are correct.
ANSWER
e
Question 11.
In the autonomic nervous system two neurons are used outside of the CNS, whereas in the somatic nervous system ________
neuron(s) are used outside of the CNS. A) zero B) one C) three D) four E) ten
ANSWER
b
Question 12.
The term enteric nervous system refers to A) the set of neurons in the lower thoracic region of the cord that controls the small
intestine. B) the complex of nerves covering the esophagus. C) the rather large network of nerves involved in the inferior mesenteric
plexus. D) the fact that the digestive system uses many short reflexes and is capable of regulating itself without the CNS. E) There is
no such thing as an enteric nervous system.
ANSWER
d
, Question 13.
Preganglionic fibers of the sympathetic nervous system that carry motor impulses to targets in the abdominopelvic cavity synapse in
a(n) A) intramural ganglion. B) collateral ganglion. C) suprarenal ganglion. D) sympathetic chain ganglion. E) celiac ganglion.
ANSWER
b
Question 14.
The sympathetic division of the ANS generally A) stimulates tissue metabolism. B) increases alertness. C) prepares the body to deal
with emergencies. D) is called the "fight or flight" division. E) All of the answers are correct.
ANSWER
e
Question 15.
A fiber passing through a gray ramus is most likely to be A) sympathetic. B) unmyelinated. C) heading toward the body wall. D)
carrying an action potential that will cause NE re-lease. E) All of the answers are correct.
ANSWER
e
Question 16.
The sympathetic division of the ANS includes which of the following? A) three segmentally arranged sympathetic chains B) two
suprarenal medullae C) paired collateral ganglia anterior to the spinal column D) All of the answers are correct. E) None of the
answers are correct.
ANSWER
b
Question 17.
Signs of sympathetic stimulation include A) an increase in cardiovascular and respiratory activity. B) a decrease in blood pressure. C)
deactivation of the extrapyramidal system. D) a feeling of lethargy. E) decreased sweating.
ANSWER
a
Question 18.
Chain ganglia that fuse in the cervical and thoracic regions are called the A) otic ganglion. B) sphenopalatine ganglion. C) stellate
ganglion. D) ganglion impar. E) intramural ganglia.
ANSWER
c
Question 19.
A highly specialized region of the sympathetic division that causes widespread sympathetic activation is found in (the) A) brain. B)
suprarenal medulla. C) spinal cord. D) kidney. E) None of the answers are correct.
ANSWER
b
