ANS

Question 1

what ganglia innervate heart, lungs, and bronchi?

Answer 1

middle cervical, stellate ganglia, and upper thoracic ganglia

Question 2

postganglionic sympathetic neurons are present in what vertebral levels?

Answer 2

C2, C3 to coccyx

Question 3

cell bodies of preganglionic sympathetic motor neurons are located in

Answer 3

thoracic and upper lumbar SC b/w T1 - L3

Question 4

preganglionic parasympathetic neuron cell bodies are located in

Answer 4

medulla, pons, midbrain

S2-S4, through S4 distribute w/ pelvic

Question 5

preganglionic parasympathetic neurons originate from

Answer 5

brainstem and sacral SC

Question 6

Edinger-westphal nucleus

Location? function?

Answer 6

CN III - oculomotor

parasympathetic preganglionic nucleus that innervates iris sphincter muscle & ciliary muscle

the neurons synapse onto postganglionic neurons in ciliary region

Question 7

contains parasympathetic preganglionic neurons that project through a branch of facial nerve to pterygopalatine ganglion

Answer 7

superior salivatory nucleus

Question 8

postganglionic fibers of cranial nerve IX (glosspharyngeal) supply what glands?

Answer 8

third of salivary gland, parotid glands

Question 9

contain parasympathetic neurons that project through glossophrayngeal nerve to otic ganglion

Answer 9

inferior salivatory nucleus and rostral part of nucleus ambiguus in rostral medulla

Question 10

most parasympathetic output occurs through what nerve?

Answer 10

vagus nerve (CN X)

Question 11

cell bodies of vagal preganglionic parasympathetic neurons are found in?

Answer 11

medulla w/in nucleus ambiguus and dorsal motor nucleus of vagus

Question 12

relationship b/w thickness of fibers and insulation and velocity of movement of NTs

Answer 12

directly proportional

Question 13

thick, myelinated, fast

Answer 13

alpha fibers