Flashcards in Unit 4 Deck (178)
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The splanchnic component of the autonomic nervous system innervates all of the following, EXCEPT;
a. viscera
b. glands
c. blood vessels
d. striated muscle.
D. Striated muscle
1
There are at least two neurons, which interpose between the central to somatic effectors. True/False
False - visceral effectors
2
Axons of the primary neurons of the autonomic nervous system are usually unmyelinated and pass to the peripheral ganglia. True/False
False - myelinated
3
The disproportion between preganglionic and postganglionic neurons is lesser in the parasympathetic system than in the sympathetic system. True/False
True
Parasympathetic - 1:15-20
Sympathetic - 1:196
4
The disproportion between preganglionic and postganglionic neurons of the parasympathetic nervous system is 1:____________.
1:15-20
5
Which of the following has the largest disproportion between preganglionic and postganglionic neurons?
a. Somatic efferent nervous system
b. Sympathetic nervous system
c. Parasympathetic nervous system
d. Branchial efferent nervous system
B. Sympathetic nervous system
6
The visceral afferent paths resemble somatic efferent paths.
True/False
False - somatic afferent
7
The parasympathetic preganglionic efferent fibers emerge through all of the following, EXCEPT
a. oculomotor nerve
b. trigeminal nerve
c. vagus
d. first sacral nerve.
B. Trigeminal nerve
8
The sympathetic preganglionic efferent fibers appear through all thoracic and first, second and/or third lumbar spinal nerves, which is known as ____ out flow.
Thoracolumbar
9
What nerves are included in the sympathetic preganglionic efferent fibers out flow?
T1-L2 or L3
10
The enteric nervous system contains all of the following reflex path ways, EXCEPT;
a. striated muscular contraction
b. digestive enzyme secretion
c. peristalsis reflex
d. blood flow
a. striated muscular contraction
11
All of the following carries myelinated preganglionic parasympathetic axons, EXCEPT;
a. facial nerve
b. accessory cranial nerve
c. third sacral spinal nerve
d. trigeminal nerve
D. Trigeminal nerve
12
All of the following are peripheral ganglia of the cranial part of the parasympathetic system, EXCEPT;
a. otic ganglion
b. genicular ganglion
c. submandibular ganglion
d. ciliary ganglion.
B. Genicular ganglion
13
Name the nerve, which carries postganglionic parasympathetic fibers to the constrictor pupillae.
Short ciliary nerve of the ciliary ganglion
14
Name the nerve, which carries facial preganglionic parasympathetic fibers from the main facial trunk.
Chorda tympani
15
Name two branches of the facial nerve, which carry preganglionic parasympathetic fibers.
Chorda tympani
Greater petrosal nerve
16
Which of the following nerves mainly carries the preganglionic parasympathetic fibers from the main facial nerve trunk to the lacrimal gland?
a. Posterior auricular nerve
b. Chorda tympani
c. Greater petrosal nerve
d. Nerve to the stapedius
C. Greater petrosal nerve
17
Name the branch of the glossopharyngeal nerve, which carries preganglionic parasympathetic fibers.
Tympanic nerve
18
Which of the following ganglia is not a peripheral ganglion for the cranial parasympathetic nerve?
a. Genicular ganglion
b. Submandibular ganglion
c. Otic ganglion
d. Pterygopalatine ganglion
A. Genicular ganglion
19
The pulmonary branch of the vagus is bronchiodilator. True/False
False
20
The pelvic splanchnic nerves supply vasodilator fibers to all of the following, EXCEPT;
a. corpora cavernosa
b. corpus spongiosum
c. glans of the penis
d. prepuce
D. Prepuce
21
Name the branch of the facial nerve, which carries the preganglionic parasympathetic efferent fibers to control small glands in the nasal cavity, palates, and nasal sinuses above the oral cavity.
Greater petrosal nerve
22
Name the branch of the facial nerve, which carries the preganglionic parasympathetic efferent fibers to control the salivary glands and lingual glands below the oral cavity.
Chorda tympani
23
Name the branch of the glossopharyngeal nerve, which carries the parasympathetic efferent fibers to the parotid gland.
Auriculotemporal nerve
24
The disproportion or ratio of the sympathetic nervous system between the preganglionic and postganglionic fibers is _________.
1:196
25
The sympathetic system innervates all of the following, EXCEPT
A. Sweat glands.
B. The ciliary body
C. The arrectores pilorum.
D. The constrictor pupillae.
D. The constrictor pupillae
26
Name the spinal cord segments where the somata of the preganglionic sympathetic fibers arise.
T1-L2 or L3
27
What is the size in diameter of the axons of the white ramus communicant?
1.5-4 microns
28
Name the spinal cord segments of the outflow of the sympathetic nervous system.
Thoracolumbar region (T1-L1 or L3)
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