Chapter 4 Muscles of the Face

Question 1

(Muscles of the Face): Orbicularis oris

Answer 1

closes and protrudes lips

Question 2

(Muscles of the Face): Risorius

Answer 2

retracts lips at the corners, aids in mastication and smiling

Question 3

(Muscles of the Face): Buccinator

Answer 3

compresses the cheeks, moves food onto surface of molars for mastication

Question 4

(Muscles of the Face)

(Elevators): Levator labii superioris alaeque nasi

Answer 4

elevates upper lip

Question 5

(Muscles of the Face)

(Elevators): Levator labii superioris

Answer 5

elevates upper lip

Question 6

(Muscles of the Face)

(Elevators): Zygomatic minor

Answer 6

elevates upper lip

Question 7

(Muscles of the Face)

(Elevators): Zygomatic major

Answer 7

elevates and retracts the angle of the mouth

Question 8

(Muscles of the Face)

(Elevators): Levator anguli oris

Answer 8

pulls corners of mouth up and medially

Question 9

(Muscles of the Face)

(Depressors): Mentalis

Answer 9

depresses lower lip, pulls lower lip out

Question 10

(Muscles of the Face)

(Depressors): Depressor labii inferioris

Answer 10

depresses lower lip

Question 11

(Muscles of the Face)

(Depressors): Depressor anguli oris

Answer 11

depresses the corners of the mouth and helps compress the upper lip against the lower lip

Question 12

(Muscles of the Face)

(Depressors): Platysma

Answer 12

depresses mandible