Muscles of Facial Expression

Question 1

All muscles of facial expression are derived from the

Answer 1

2nd pharyngeal/Brachial arch

Question 2

All muscles of facial expression are innervated by the

Answer 2

facial nerve

Question 3

wrinkles skin between the eyes

Answer 3

procerus

Question 4

compression/dilation of nostrils

Answer 4

nasilis

Question 5

levator labii superioris alaque nasi function

Answer 5

elevates upper lip and dilates nostril

Question 6

neutral expression/excursion

Answer 6

risorius

Question 7

wrinkles skin of head and eyebrows

Answer 7

frontalis

Question 8

draws the scalp back

Answer 8

occipitalis

Question 9

corrugator supercilli

Answer 9

moves eyebrows inferiorly and medial

Question 10

muscles in smiling

Answer 10

zygomaticus minor and major, levator labii superioris, levator anguli oris

Question 11

muscles of frowning

Answer 11

depressor anguli oris, depressor labii inferioris, corrugator supercilli (note mentalis is pouting)

Question 12

Pout (raise upper lip)

Answer 12

mentalis and depressor labii inferioris