Chapter 15 Autonomic Nervous System

Front 1

Conscious nerves involve which part of the brain? Autonomic nerves involve which part of the bran?

Back 1

cerebrum; brainstem and spinal cord

Front 2

What is another name for autonomic nervous system?

Back 2

Visceral nervous system

Front 3

What is another name for the visceral nervous system?

Back 3

autonomic nervous system

Front 4

What is the function of the ANS?

Back 4

To maintain homeostasis

Front 5

What two kinds of neurotransmitter are released from ganglionic neurons?

Back 5

ACh or norepinepherine NE

Front 6

Are ganglionic neurons myelinated?

Back 6

No

Front 7

Where are the cell bodies of preganglionic neurons?

Back 7

brain or spinal cord

Front 8

Where are the cell bodies of ganglionic neurons?

Back 8

autonomic ganglion

Front 9

How many neurons are in the ANS chain?

Back 9

Two

Front 10

Why does neuronal convergence occur?

Back 10

because axons from numerous preganglionic neurons synapse with and influence a single ganglionic cell.

Front 11

Why does neuronal divergence occur?

Back 11

because axons from one preganglionic cell synapse with and influence numerous ganglionic cells

Front 12

The motor component of the ANS is divided into two subdivisions:

Back 12

sympathetic nervous system
parasympathetic nervous system

Front 13

What is the function of the parasympathetic nervous system?

Back 13

functions to maintain homeostasis when we are at rest. Conserned with conserving energy and replenishing nutrient stores

Front 14

What is the function of the sympathetic nervous system?

Back 14

preparing the body for emergencies

Front 15

Which division of the nervous system responds to stressful or frightening situations?

Back 15

sympathetic

Front 16

Do both the sympathetic and parasympathetic nervous systems use a preganglionic neuron and a ganglionic neuron?

Back 16

yes

Front 17

Where are ganglion housed?

Back 17

autonomic ganglia

Front 18

Where are the neuron cell bodies of the parasympathetic nervous system housed in the CNS?

Back 18

either the brainstem or the lateral gray matter of the S2-S4 spinal cord

Front 19

What is the craniosacral division?

Back 19

parasympathetic division

Front 20

Where do the cell bodies of the sympathetic nervous system reside?

Back 20

lateral horns of the T1-L2 spinal cord segments

Front 21

What is the thoracolumbar division?

Back 21

sympathetic division

Front 22

Which cranial nerves are associated with the parasympathetic division?

Back 22

CNIII, CNXII, CNIX, CNX

Front 23

Where is the autonomic ganglion of the parasympathetic nervous system?

Back 23

on or near the effector organ

Front 24

Where is the autonomic ganglion of the sympathetic nervous system?

Back 24

Near the spinal cord

Front 25

Which part of the parasympathetic and sympathetic nervous systems are myelinated?

Back 25

preganglionic

Front 26

are ganglionic neurons myelinated?

Back 26

No

Front 27

____ is especially important in response to stress, when it is necessary to coordinate rapid changes in activity with numerous structures at once

Back 27

Mass activation

Front 28

Where are terminal ganglia located

Back 28

close to the effector

Front 29

Where are intramural ganglia located

Back 29

within the wall of the target organ

Front 30

What are the two types of ganglia associated with the parasympathetic division?

Back 30

terminal or intramural

Front 31

What two muscles do the postganglionic axons of CNIII innervate? What do these muscles do?

Back 31

ciliary m.
control of focusing the lense to see close-up objects.
pupillary sphincter m.
allow more or less light into the pupil.

Front 32

What is CNIII?

Back 32

oculomotor nerve

Front 33

What division of the ANS controls CNIII?

Back 33

Parasympathetic

Front 34

Where do the preganglionic cell bodies start for CNIII? (parasympathetic)

Back 34

midbrain nuclei

Front 35

Where do the preganglionic cell bodies start for CNVII? (parasympathetic)

Back 35

pons

Front 36

What are the two branches of the parasympathetic preganglionic CNVII? What do they control?

Back 36

pterygopalatine ganglion
(greater petrosal nerve)
increase secretion of the lacrimal gland, small glands of the nasal cavity, oral cavity, and palate to increase secretion by these glands
submandibular ganglion (chorda tympani)
supply the submandibular and sublingual salivary glands in the floor of the mouth, causing an increase in salivary gland secretions.

Front 37

Does CNVII control muscles or glands? (parasympathetic)

Back 37

glands

Front 38

Does CNIII control muscles or glands? (parasympathetic)

Back 38

muscles (2)

Front 39

What is the name of the branch of CNVII that innervates submandibular and sublingual glands? (parasympathetic)

Back 39

chorda tympani

Front 40

What is the name of the barnch of CNVII that innervates the lacrimal gland?

Back 40

greater petrosal nerve

Front 41

What is CNVII?

Back 41

facial nerve

Front 42

What is CNIX?

Back 42

glossopharyngeal nerve

Front 43

Where is the preganglionic cell body of pterygopalatine ganglion located?

Back 43

pons

Front 44

where is the preganglionic cell body of submandibular ganglion located?

Back 44

pons

Front 45

Where is the preganglionic cell body of the greater petrosal nerve located?

Back 45

pons

Front 46

Where is the preganglionic cell body of the chorda tympani located?

Back 46

pons

Front 47

What is CNIX?

Back 47

glossopharyngeal nerve

Front 48

Which CN is glossopharyngeal?

Back 48

CNIX

Front 49

Which CN innervates the parotid salivary gland?

Back 49

CNIX

Front 50

Where does the preganglionic cell body for the parotid salivary gland start? (parasympathetic)

Back 50

brain stem

Front 51

What is the ganglionic neuron called that innervates the parotid salivary gland? (parasympathetic)

Back 51

otic ganglion

Front 52

what does the otic ganglion innervate?
(parasympathetic)

Back 52

parotid salivary gland

Front 53

what is the ganglion for the parotid salivary gland? (parasympathetic)

Back 53

otic ganglion

Front 54

Which CN is is the origination for the otic ganglion? (parasympathetic)

Back 54

CNIX glossopharyngeal n.

Front 55

Where is the lacrimal gland?

Back 55

Front 56

What gland is this?

Back 56

Parotid salivary gland

Front 57

What is CNX?

Back 57

vagus nerve

Front 58

Which CN is the vagus nerve?

Back 58

CNX

Front 59

What does the CNX supply parasympathetic innervation to?

Back 59

thoracic organs, most of the abdominal organs, and gonads

Front 60

Which CN supplies parasympathetic innervation to the thoracic organs, most of the abdominal organs and the gonads?

Back 60

CNX vagus nerve

Front 61

Which cranial nerves have a parasympathetic component? What organs are innervated by each?

Back 61

CNIII oculomotor n. innervates the pupillary constrictor m., ciliary m. of the eye
CNVII facial n. innervates the lacrimal gland, glands of the nasal cavity, oral cavity, and palate to increase secretion
CNIX glossopharyngeal n. innervates the parotid salivary glands
CNX vagus n. innervates thoracic, most abdominal, and gonads.

Front 62

What organs are innervated by the pelvic spanchnic nerves?

Back 62

digestive tract, bladder wall, erection of female clitoris and male penis