7 Muscles Of The Tongue

Question 0

Course of the superior longitudinal mm of the tongue?

Answer 0

Back to front along superior surface

Question 1

What nerve innervates ALL muscles of the tongue?

Answer 1

CN XII (Hypoglossal)

Question 2

Actions of the superior longitudinal mm of the tongue?

Answer 2

1) elevate tongue tip (bilaterally)
2) pull tongue to the side (unilaterally)
3) retract the tongue

Question 3

Course of the inferior longitudinal mm of the tongue?

Answer 3

Back to front, lateral

Question 4

Actions of the inferior longitudinal mm of the tongue?

Answer 4

1) depress tongue tip (bilaterally)
2) pull tongue to side
3) retract tongue

Question 5

Course of the transverse mm of the tongue?

Answer 5

Midline to lateral edges of the tongue

Question 6

Action of the transverse mm of the tongue?

Answer 6

Narrow the tongue

Question 7

Course of the vertical mm of the tongue?

Answer 7

Inferior to superior surfaces of the tongue

Question 8

Origin of genioglossus m?

Answer 8

Mental symphesis of mandible

Question 9

Insertion of genioglossus m?

Answer 9

All along medial tongue (fan-like)

Question 10

Actions of genioglossus m?

Answer 10

1) protrude tongue

2) depress tongue

Question 11

Origin of hyoglossus m?

Answer 11

Greater horns of hyoid bone

Question 12

Insertion of hyoglossus m?

Answer 12

Sides of the tongue

Question 13

Actions of the hyoglossus m?

Answer 13

Pull sides of tongue down and back

Question 14

Origin of styloglossus m?

Answer 14

Styloid process of temporal bone

Question 15

Insertion of syloglossus m?

Answer 15

Sides of the tongue

Question 16

Actions of the styloglossus m?

Answer 16

1) retract tongue back (for /k/ and /g/ sounds)

2) raise tongue up

Question 17

How many intrinsic muscles of the tongue are there?

Answer 17

4 intrinsic muscles of the tongue

Question 18

How many extrinsic muscles of the tongue are there?

Answer 18

3 extrinsic muscles of the tongue