ANS

Question 1

Two parts of the ANS…

Answer 1

sympathetic and parasympathetic

Question 2

The two parts of the ANS: sympathetic and parasympathetic and their nerve tracts

Answer 2

thoracolumbar

craniosacral

Question 3

Three sympathetic chain ganglia in the neck:

Answer 3

superior cervical ganglia
middle cervical ganglia
inferior cervical ganglia

Question 4

Superior cervical ganglia is the ….

Answer 4

largest

Question 5

Middle cervical ganglia is the…

Answer 5

smallest

Question 6

Inferior cervical ganglia is sometimes fused with 1st thoracic ganglia and then called…

Answer 6

stellate ganglia

Question 7

Reticular formation plays a crucial role in maintaining …

Answer 7

behavioral arousal and consciousness

Question 8

Overall functions of the reticular formation?

Answer 8

cardio control, pain modulation, sleep, consciousness and habituation

Question 9

Disorders of the ANS

Answer 9

autonomic dysreflexia: exaggerated autonomic reflexes like increases in BP
SIDS
Horner’s syndrome

Question 10

Sympathetic innervation causes … of pupil.

Answer 10

dilation

Question 11

Miosis

Answer 11

constriction of the pupil

Question 12

Ptosis

Answer 12

dropping of the upper eyelid

Question 13

Signs of Horner’s syndrome?

Answer 13

miosis, ptosis, anhidrosis

Question 14

What centers play a role in the control of the ANS?

Answer 14

cerebral cortex
limbic system
hypothalamus

Question 15

Hypothalamus helps control

Answer 15

digestion, HR, sweating

Question 16

What is Horner’s syndrome caused by?

Answer 16

loss of sympathetic innervation of the head

Question 17

Afferent information often travels with the … nerves in the thorax and abdomen and with …. nerves in pelvic regions.

Answer 17

sympathetic

parasympathetic

Question 18

Parasympathetic system is responsible for ….

Answer 18

rest and digest: sexual arousal, salivation, lacrimation, urination, digestion, and defecation

Question 19

Parasympathetic division (craniosacral) tends to have …. preganglionic nerves and …. postganglionic nerves.

Answer 19

long preganglionic

short postganglionic

Question 20

The preganglionic nerves release…which acts on the ….receptors of postganglionic neurons.

Answer 20

ACh

nicotinic

Question 21

The postganglionic nerves release ACh to stimulate the … receptors of the target organ.

Answer 21

muscarinic

Question 22

Parasympathetic functions are with 4 cranial nerves

;

Answer 22

CNIII oculomotor
CNVII facial
CN IX glossopharyngeal
CN X vagus

Question 23

CNIII oculomotor nerve comes from … nucleus and causes….

Answer 23

Edinger-Westphal nucleus

constriction of pupil and contraction of ciliary muscle

Question 24

CN VII facial nerve comes from … and causes…

Answer 24

superior salivatory nucleus

secretion from lacrimal gland, submandibular and sublingual salivary glands

Question 25

CNIX glossopharyngeal nerve comes from… and causes…

Answer 25

inferior salivatory nucleus

secretion of parotid salivary gland

Question 26

CN X vagus nerve comes from… and causes

Answer 26

dorsal nucleus of vagus

cardiac, lung and GI functions

Question 27

Cranial brain stem nuclei locations: midbrain (2)
pons (4)
medulla (4)

Answer 27

midbrain: III, IV
pons: VI, VII, VIII
medulla: V, IX, X, XII

Question 28

Parasympathetic visceral motor nerves of the head

Answer 28

Oculomotor, facial, glossopharyngeal, vagus

Question 29

Ganglion of oculomotor nerve (CNIII)

Answer 29

ciliary

Question 30

Ganglion of facial nerve (VII)

Answer 30

pterygopalatine

submandibular

Question 31

Ganglion of glossopharyngeal nerve (IX)

Answer 31

otic

Question 32

There are four parasympathetic ganglia hanging off branches of the .. nerve with post-ganglionic parasympathetic fibers passing in the same epinerium with branches of the … nerve to their final destination.

Answer 32

trigeminal (CN V)