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Flashcards in Exam 4 Autonomic Nervous System Deck (66)
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1

The splanchnic component of the autonomic nervous system innervates all of the following except:
- viscera
- glands
- blood vessels
- striated muscle

Striated muscle (should be non-striated)

2

There are at least two neurons which interpose between the central to somatic effectors. True or False

False (central to visceral effectors)

3

Axons of the primary neurons of the autonomic nervous system are usually unmyelinated and pass to the peripheral ganglia. True or False

False (myelinated)

4

The disproportion between preganglionic and postganglionic neurons is lesser in the parasympathetic system than in the sympathetic system. True or False

True

5

The disproportion between preganglionic and postganglionic neurons of the parasympathetic nervous system is 1:___

1: 15-20

6

Which of the following has the largest disproportion between preganglionic and postganglionic neurons?
- somatic efferent nervous system
- sympathetic nervous system
- parasympathetic nervous system
- branchial efferent nervous system

Sympathetic nervous system

7

The visceral afferent paths resemble somatic efferent paths. True or False

False (resemble somatic afferent)

8

The parasympathetic preganglionic efferent fibers emerge through all of the following except:
- oculomotor nerve
- trigeminal nerve
- vagus
- second sacral nerve

Trigeminal nerve

9

The sympathetic preganglionic efferent fibers appear through all thoracic and first, second, and/or third lumbar spinal nerves which is known as ___ outflow.

Thoracolumbar

10

What nerves are included in the sympathetic preganglionic efferent fibers outflow?

T1-L2 or L3

11

The enteric nervous system contains all of the following reflex pathways except:
- striated muscular contractions
- digestive enzyme secretion
- peristalsis reflex
- blood flow

Striated muscular contraction

12

All of the following carries myelinated preganglionic parasympathetic axons except:
- facial nerve
- accessory cranial nerve
- third sacral spinal nerve
- trigeminal nerve

Trigeminal nerve

13

Name the myelinated preganglionic parasympathetic nerves

Oculomotor
Facial
Accessory cranial neve
Vagal
S2, S3, S4

14

All of the following are peripheral ganglia of the cranial part of the parasympathetic system except:
- otic ganglion
- genicular ganglion
- submandibular ganglion
- ciliary ganglion

Genicular ganglion

15

Name the four peripheral ganglia of the parasympathetic system

Otic
Pterygopalatine
Submandibular
Ciliary

16

Name the nerve which carries postganglionic parasympathetic fibers to the constrictor pupillae.

Short ciliary N

17

Name the nerve which carries facial preganglionic parasympathetic fibers from the main facial trunk

Chorda Tympani of facial nerve

18

Which of the following nerves mainly carries the preganglionic parasympathetic fibers from the main facial nerve trunk to the parotid gland?
- posterior auricular nerve
- lacrimal nerve
- greater petrosal nerve
- nerve to stapedius

Lacrimal nerve (glossopharyngeal from inferior salivatory nucleus)

19

Name the branch of the glossopharyngeal nerve which carries preganglionic parasympathetic fibers.

Tympanic nerve

20

Which of the following ganglia is not a peripheral ganglion for the cranial parasympathetic nerve?
- Genicular ganglion
- Submandibular ganglion
- Otic ganglion
- Pterygopalatine ganglion

Genicular ganglion

21

The pulmonary branch of the vagus is a bronchiodilator. True or False

False

22

The pelvic splanchnic nerve supply vasodilator fibers to all of the following except:
- corpora cavernosa
- corpus spongiosum
- glans of the penis
- prepuce

Glans of the penis

23

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 N of Facial

24

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 of Facial

25

Name the branch of the glossopharyngeal nerve which carries the parasympathetic efferent fibers to the parotid gland.

Tympanic nerve of Glossopharyngeal

26

The disproportion or ratio of the sympathetic nervous system between the preganglionic and postganglionic fibers is ___

1: 196

27

The sympathetic nervous system innervates all of the following except:
- sweat glands
- ciliary body
- arrectores pilorum
- constrictor pupillae

Constrictor pupillae

28

Name the spinal cord segments where the somata of the preganglionic sympathetic fibers arise

T1-L2 or L3

29

What is the size in diameter of the axons of the white ramus communicants?

1.5 - 4 microns

30

Name the spinal cord segments of the outflow of the sympathetic nervous system

Thoracolumbar outflow