ILS 6

Question 1

parasympathetic fibers go to

Oculomotor (CN III)

corresponding ganglion

Answer 1

1. origin: mesencephalon
2. pupillary sphincter (miosis)and ciliary muscle (accomodation

ciliary

Question 2

Parasympathetic fibers go to

Facial (CN VII)

corresponding ganglia

Answer 2

1. origin: Pons
2. lacrimal, nasal, and submandibular (salivary) glands

pterygopalatine and submandibular

Question 3

parasympathetic fibers go to

Glossopharyngeal (CN IX)

corresponding ganglia

Answer 3

1. origin: medulla
2. parotid (salivary) gland

otic

Question 4

parasympathetic fibers go to

Vagus (CN X)

corresponding ganglia

Answer 4

1. origin: medulla
2. heart, lungs, esophagus, stomach, entire small intestine, proximal half of colon, liver, galbladder, pancreas, kidney, upper portions of ureters

many small unnamed close to target tissue

Question 5

S2, S3, S4 Sacral Spinal Nerves

corresponding ganglion

Answer 5

1. fibers are in the pelvic nerves
2. distribute to descending sigmoid colon, rectum, urinary bladder, lower portions of the ureters

many small unnamed close to target tissues

Question 6

Horner’s Syndrome

Answer 6

damage of sympathetic nerves which regulate dilation of pupil and raising of eyelids
symptoms: ptosis, miosis, aniscoria, anhidrosis, flushing on affected side

Question 7

Pheochromocytoma

Answer 7

adrenal medulla tumor that secretes excess catecholamines esp. EPI
symptoms: sweating, tremor, nervousness, palpitation, hypertension

Question 8

Cholinergic Neurons

Answer 8

1. All preganglionic sympathetic and presympathetic neurons
2. All parasympathetic postganglionic neurons
3. sympathetic postganglionic neurons that innervate sweat glands, piloerector muscles, and smooth muscles of the vessels
4. sympathetic postganglionic neurons that end on blood vessels in some skeletal muscles