Ch. 4 Muscular System Study Guide

Question 1

what muscle opens the eyes

Answer 1

palpebral part of the orbicularis oculi muscle

Question 2

the trapezius muscle is innervated by which nerves

Answer 2

XI cranial or accessory nerve

3rd & 4th cervical nerves

Question 3

what muscle surrounds the mouth

Answer 3

orbicularis oris

Question 4

patient unable to protrude tongue out, what nerve affected

Answer 4

XII hypoglossal nerve

Question 5

contraction of which muscles shrug shoulders

Answer 5

trapezius muscle

Question 6

medial third of the clavicle is part origin of which muscle

Answer 6

trapezius muscle

Question 7

muscle is an accessory to muscles of mastication

Answer 7

buccinator

Question 8

name of muscle that surrounds eye

Answer 8

orbicularis oculi

Question 9

muscle closes eyelids

Answer 9

orbicularis oculi

Question 10

five factors normally presented in study of muscles

Answer 10

origin
insertion
action
nerve supply
blood supply

Question 11

nerve innervated for bitter sensation on tongue

Answer 11

IX glossopharyngeal

Question 12

nerve innervates sternocleidomastioid muscle

Answer 12

XI cranial or accessory nerve

Question 13

end of muscle least moveable

Answer 13

origin

Question 14

end of muscle attached to more moveable structure

Answer 14

insertion

Question 15

contraction of which muscles will bow head

Answer 15

sternocleidomastoid

Question 16

nerve affected if patient bites tip of tongue

Answer 16

V3 (little 3) lingual

Question 17

muscles of facial expression come from which branchial arch

Answer 17

2nd branchial or hyoid arch

Question 18

muscle spasms can refer pain to the TMJ

Answer 18

sternocleidomastoid

Question 19

seven main groups of muscles of head and neck

Answer 19

cervical muscles
muscles of facial expression
muscles of mastication
hyoid muscles
muscles of tongue
muscles of pharynx
muscles of soft palate

Question 20

what causes nostrils to flare

Answer 20

levator labii superiorious alaeque

Question 21

direction does referred pain travel

Answer 21

cephalically