Chapter 4 Muscles of the Mouth (Tongue)

Question 1

(Muscles of the Mouth)

(Regions & structures of the tongue): Tip

Answer 1

anterior most portion

Question 2

(Muscles of the Mouth)

(Regions & structures of the tongue): Dorsum

Answer 2

superior surface

Question 3

(Muscles of the Mouth)

(Regions & structures of the tongue): Base

Answer 3

located in the oropharynx

Question 4

(Muscles of the Mouth)

(Regions & structures of the tongue): Root

Answer 4

lower area of the tongue where tongue attaches to mandible

Question 5

(Muscles of the Mouth)

(Regions & structures of the tongue): Oral or palatine portion

Answer 5

2/3 of the tongue located in the oral cavity

Question 6

(Muscles of the Mouth)

(Regions & structures of the tongue): Pharyngeal portion

Answer 6

1/3 of the tongue located in the oropharynx

Question 7

(Muscles of the Mouth)

(Regions & structures of the tongue): Inferior surface

Answer 7

includes the Lingual frenulum (frenum),

and the Sublingual folds (salivary glands)

Question 8

(Muscles of the Mouth)

(Regions & structures of the tongue): Inferior surface, Ankyloglossia

Answer 8

Short, thick or tight lingual frenulum,

Restricted range of motion of the tongue,

May have difficulty sticking out tongue,

May affect infant feeding,

May affect speech articulation,

May require surgical procedure for treatment

Question 9

(Muscles of the Mouth)

(Intrinsic tongue muscles): Superior longitudinal muscle of tongue

Answer 9

elevates tip of tongue, and pulls tongue to side

Question 10

(Muscles of the Mouth)

(Intrinsic tongue muscles): Inferior longitudinal muscle of tongue

Answer 10

pulls tip of the tongue downward, and pulls tongue to side

Question 11

(Muscles of the Mouth)

(Intrinsic tongue muscles): Transverse muscle of tongue

Answer 11

narrows the tongue

Question 12

(Muscles of the Mouth)

(Intrinsic tongue muscles): Vertical muscle of tongue

Answer 12

flattens the tongue, and pulls tongue down into the floor of the mouth

Question 13

(Muscles of the Mouth)

(Extrinsic tongue muscles): Genioglossus muscle

Answer 13

Retract the tongue, protrude the tongue, elevate the hyoid,

Contraction of both anterior and posterior fibers depress the tongue

Question 14

(Muscles of the Mouth)

(Extrinsic tongue muscles): Hyoglossus muscle

Answer 14

pulls sides of the tongue down; elevates hyoid

Question 15

(Muscles of the Mouth)

(Extrinsic tongue muscles): Styloglossus muscle

Answer 15

draws tongue back and up

Question 16

(Muscles of the Mouth)

(Extrinsic tongue muscles): Palatoglossus muscle

Answer 16

(muscular structure of anterior faucial pillar)

elevates back of tongue and depresses velum

(also a muscle of the soft palate -depressor)