SLP 261 Chapter 7 Test With Verified Solution

SLP 261 Chapter 7 Test With
Verified Solution

Depression of the tongue tip requires contraction of which muscle?

a. genioglossus

b. superior longitudinal

c. inferior longitudinal

d. both b & c

e. all of the above - ANSWER c. inferior longitudinal

Retraction of the tongue requires contraction of which muscle?

a. anterior fibers, genioglossus

b. posterior fibers, genioglossus

c. stylohyoid

d. a & b

e. b & c - ANSWER e. b & c

Retraction of the lips requires contraction of which muscle?

a. orbicularis oris

b. buccinator

c. risorius

d. a & b

e. b & c - ANSWER e. b & c

A pout that involves protrusion of the lower lip requires contraction of which muscle?

a. orbicularis oris

b. triangularis

c. levator anguli oris

, d. mentalis - ANSWER d. mentalis

This muscle retracts and elevates the lips, as in smiling.

a. risorius

b. buccinator

c. levator anguli oris

d. levator labii superioris - ANSWER c. levator anguli oris

This muscle protrudes the mandible.

a. masseter

b. platysma

c. digastricus anterior

d. lateral pterygoid - ANSWER d. lateral pterygoid

This muscle helps to narrow the tongue.

a. transverse

b. superior longitudinal

c. inferior longitudinal

d. vertical - ANSWER a. transverse

This muscle depresses the dorsum of the tongue.

a. hyoglossus

b. styloglossus

c. palatoglossus

d. digastricus (anterior and posterior) - ANSWER a. hyoglossus

This muscle is innervated by the XII hypoglossal.

a. palatoglossus

b. genioglossus

c. styloglossus

d. all of the above - ANSWER d. all of the above

Which of these muscles dilates the Eustachian tube?