Autonomic nevous system
1.
Given these statements:
1.
neuron cell bodies in the nuclei of cranial nerves
2.
neuron cell bodies in the lateral gray matter of the spinal cord
(S2
–S4)
3.
two synapses between the CNS and effector organs
4.
regulates smooth muscle
Which
of the statements are true for the autonomic nervous system?
a.
1,3
b.
2,4
c.
1,2,3
d.
2,3,4
e.
1,2,3,4
2.
Given these structures:
1.
gray ramus communicans
2.
white ramus communicans
3.
sympathetic chain ganglion
Choose
the arrangement that lists the structures in the order an
action
potential passes through them from a spinal nerve to an
effector
organ.
a.
1,2,3
b.
1,3,2
c.
2,1,3
d.
2,3,1
e.
3,2,1
3.
Given these structures:
1.
collateral ganglion
2.
sympathetic chain ganglion
3.
white ramus communicans
4.
splanchnic nerve
Choose
the arrangement that lists the structures in the order an
action
potential travels through them on the way from a spinal
nerve
to an effector organ.
a.
1,3,2,4
b.
1,4,2,3
c.
3,1,4,2
d.
3,2,4,1
e.
4,3,1,2
4.
The white ramus communicans contains
a.
preganglionic sympathetic fibers.
b.
postganglionic sympathetic fibers.
c.
preganglionic parasympathetic fibers.
d.
postganglionic parasympathetic fibers.
5.
The cell bodies of the postganglionic neurons of the sympathetic
division
are located in the
a.
sympathetic chain ganglia.
b.
collateral ganglia.
c.
terminal ganglia.
d.
dorsal root ganglia.
e.
both a and b.
6.
Splanchnic nerves
a.
are part of the parasympathetic division.
b.
have preganglionic neurons that synapse in the collateral
ganglia.
c.
exit from the cervical region of the spinal cord.
d.
travel from the spinal cord to the sympathetic chain ganglia.
e.
all of the above.
7.
Which of the following statements regarding the adrenal gland is
true?
a.
The parasympathetic division stimulates the adrenal gland to
release
acetylcholine.
b.
The parasympathetic division stimulates the adrenal gland to
release
epinephrine.
c.
The sympathetic division stimulates the adrenal gland to release
acetylcholine.
d.
The sympathetic division stimulates the adrenal gland to release
epinephrine.
8.
The parasympathetic division
a.
is also called the craniosacral division.
b.
has preganglionic axons in cranial nerves.
c.
has preganglionic axons in pelvic nerves.
d.
has ganglia near or in the wall of effector organs.
e.
all of the above.
9.
Which of these is not
a part of the enteric nervous system?
a.
ANS motor neurons
b.
neurons located only in the digestive tract
c.
sensory neurons
d.
somatic neurons
10.
Sympathetic axons reach organs through all of the following
except
a.
abdominopelvic nerve plexuses.
b.
head and neck nerve plexuses.
c.
thoracic nerve plexuses.
d.
pelvic nerves.
e.
spinal nerves.
11.
Which of these cranial nerves does not contain
parasympathetic
fibers?
a.
oculomotor (III)
b.
facial (VII)
c.
glossopharyngeal (IX)
d.
trigeminal (V)
e.
vagus (X)
12.
Which of the following statements concerning the preganglionic
neurons
of the ANS is true?
a.
All parasympathetic preganglionic neurons secrete acetylcholine.
b.
Only parasympathetic preganglionic neurons secrete
acetylcholine.
c.
All sympathetic preganglionic neurons secrete norepinephrine.
d.
Only sympathetic preganglionic neurons secrete
norepinephrine.
13.
A cholinergic neuron
a.
secretes acetylcholine.
b.
has receptors for acetylcholine.
c.
secretes norepinephrine.
d.
has receptors for norepinephrine.
e.
secretes both acetylcholine and norepinephrine.
14.
When acetylcholine binds to nicotinic receptors,
a.
the cell’s response is mediated by G proteins.
b.
the response can be excitatory or inhibitory.
c.
Na_
channels open.
d.
it occurs at the effector organ.
e.
all of the above.
R E V I E W A N D C O M P
R E H E N S I O N
Seeley−Stephens−Tate:
Anatomy
and Physiology,
Sixth
Edition
III.
Integration and Control
Systems
16.
Autonomic Nervous
System
©
The McGraw−Hill
Companies,
2004
15.
Nicotinic receptors are located in
a.
postganglionic neurons of the parasympathetic division.
b.
postganglionic neurons of the sympathetic division.
c.
membranes of skeletal muscle cells.
d.
both a and b.
e.
all of the above.
16.
The activation of _1-
and _1-adrenergic receptors
a.
generally produces a stimulatory response.
b.
generally produces an inhibitory response.
c.
most commonly occurs when epinephrine from the adrenal
glands
binds to them.
d.
occurs when acetylcholine binds to them.
17.
The sympathetic division
a.
is always stimulatory.
b.
is always inhibitory.
c.
is usually under conscious control.
d.
generally opposes the actions of the parasympathetic
division.
e.
both a and c.
568 Part 3 Integration and Control System
18.
A sudden increase in blood pressure
a.
initiates a sympathetic reflex that decreases heart rate.
b.
initiates a local reflex that decreases heart rate.
c.
initiates a parasympathetic reflex that decreases heart rate.
d.
both a and b.
e.
both b and c.
19.
Which of these structures is innervated almost exclusively by the
sympathetic
division?
a.
gastrointestinal tract
b.
heart
c.
urinary bladder
d.
reproductive tract
e.
blood vessels
20.
Which of these is expected if the sympathetic division is activated?
a.
Secretion of watery saliva increases.
b.
Tear production increases.
c.
Air passageways dilate.
d.
Glucose release from the liver decreases.
e.
All of the above.
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