unit 7: sympathetics, distrib FROM symp trunk

Question 1

fibers are carried from the symp trunk in three ways:

Answer 1

nerves
BV
direct branches

Question 2

almost all nerves carry POSTganglionic symp fibers, w/i that nerves distribution, the fibers will be (3):

Answer 2

vasoconstrictor
sudomotor
motor to arrector pili

Question 3

type of branch that functions to:

• constrict BC
• dilate bronchial tree
• stim gland secretion
• dilate pupils
• inhib digestive activity

Answer 3

direct to the viscera

Question 4

three nerves that receive branches from the SUPERIOR cervical ganglion

Answer 4

glossopharyngeal
vagus
-recurrent laryngeal & auricular
hypoglossal

Question 5

__ __ nerve is a branch from the SCG that enters the cranial cavity with the internal carotid a. and divides into lat & med branches

Answer 5

internal carotid

Question 6

the ___ internal carotid nerve forms the internal carotid plexus, many of its branches will terminate on BV in the skull

Answer 6

lateral

Question 7

communication w/ the __ ganglion allows __ganglionic symp fibers to reach any struct w/i field of distrib of trigeminal nerve

Answer 7

trigeminal

post

Question 8

branch off the internal carotid plexus that supplies BV in lateral rectus

Answer 8

abducens

Question 9

POSTganglionic fibers off the internal carotid n. form the __ __ nerve which combines w/ the greateral petrosal nerve to form the nerve of the __ __

Answer 9

deep petrosal

pterygoid canal

Question 10

4 glands that are reached by postganglionic fibers stemming ultimately off the internal carotid n.

Answer 10

lacrimal
nasal
palatine
(some pharyngeal)

Question 11

___ nerves combine w/ the tympanic branch of glossopharyngeal to form the __ plexus & supply glands & BV of MIDDLE ear

Answer 11

caroticotympanic

tympanic

Question 12

MEDIAL internal carotid nerve forms the ___ plexus, located in the cavernous sinus alongside the __ __

Answer 12

cavernous

sella turcica

Question 13

fibers from the medial internal carotid n. travel thru the __ ganglion to reach the eyeball & supply the ciliaris, dilator pupillae & __ muscles of upper eyelid

Answer 13

ciliary

tarsus

Question 14

some medial internal carotid branches go to ___ nerves to BVs of its muscles, while the ___ supplies BV in superior oblique

Answer 14

oculomotor

trochlear

Question 15

branches from medial internal carotid to the __ division of the trigem n. supply arrector pili, sweatglands and BV in its field of distrib
-pituitary gland also innervated

Answer 15

ophthalmic

Question 16

branches accompanying the __ __ artery are from the MIDDLE cervical ganglion, and will supply the thyroid gland

Answer 16

inferior thyroid

Question 17

branches from the INF cervical/stellate ganglion reach the ___ artery to the UE via the __ & brachial arteries

Answer 17

subclavian

axillary

Question 18

____ branches come from the SUP cervical ganglion and form the pharyngeal plexus along w/ fibers from the glossopharyngeal & vagus nerves & ___plexus
-each plexus supplies BV & glands

Answer 18

laryngopharyngeal

laryngeal

Question 19

___ branches come from each cervical ganglia, and accompany branches of the vagus thru the cardiac plexus to the ___ ___
-symp stim: increased HR, dilate coronary a.

Answer 19

cardiac

sinoatrial node

Question 20

the GRC associated w/ ea. thoracic nerve AND lumbar nerve AND sacral & coccygeal nerve supplies these 3 things in the field of distrib of ea. nerve

Answer 20

arrector pili
sweat glands
BV

Question 21

off the thoracic sympathetic trunk, ganglia __-__ send POSTganglionic fibers to the thoracic aorta

Answer 21

1-5

Question 22

cardiac branches extend to the heart from the thoracic symp ganglia from the __-__ ganglia and pass thru the __ plexus

Answer 22

t2-t4

cardiac

Question 23

pulmonary branches come from __-__ ganglia and travel thru the __ plexus to supply pleura, smooth musc and BV of lungs & bronchial glands

Answer 23

t2-t4

pulmonary

Question 24

for asthmatics, ___ mimic symp stim & dilate bronchi and decrease mucus production, allowing for easier breathing

Answer 24

inhalers

Question 25

__ ___ nerve fibers supply the esophagus and thoracic aorta above the diaphragm
-also thru gastric, hepatic, sup mesenteric plexuses via the cardiac plexus to reach most __ ___

Answer 25

greater splanchnic

abdominal viscera

Question 26

__ __ nerve reaches some same abdom struct as greater splancnic, as well as the __ glands

Answer 26

lesser splanchnic

suprarenal

Question 27

___ splanchnic nerve fibers reach the kidneys thru the __ plexus

Answer 27

least

renal

Question 28

__ branches are given off that follow lumbar arteries back to abdom aorta down to the __ __ artery & common iliac arteries

Answer 28

vascular

median sacral

Question 29

lumbar splanchnic nerves supply __ viscera via the sup & inf hypogastric and the inf mesenteric __

Answer 29

pelvic

plexuses

Question 30

off the pelvic symp trunk, vasc branches are given off that follow the __ __ artery

Answer 30

median sacral

Question 31

of the PELVIC symp trunk __ splanchnic nerves supply pelvic visvera via the inferior mesenteric plexus
-fibers go directy to ureters & rectum

Answer 31

SACRAL