Tongue Action

Question 1

Which Cranial nerve does:

Taste to ANTERIOR 2/3 of tongue

Answer 1

7

Question 2

Which Cranial nerve does:

Taste to POSTERIOR 1/3 of tongue

Answer 2

9

Question 3

Which Cranial nerve does:

Taste to the SUPRAGLOTTIC region

Answer 3

10

Question 4

Which Cranial nerve does:

Sensation to ANTERIOR 2/3 of tongue

Answer 4

V3 Mandibular

Question 5

Which Cranial nerve does:

Sensation to POSTERIOR 1/3 of tongue

Answer 5

9

Question 6

Which Cranial nerve does:

Sensation to SUPRAGLOTTIC region

Answer 6

10

Question 7

What Pharyngeal arches forms the ANTERIOR 2/3 of tongue

Answer 7

Pharyngeal arch

1 & 2

Question 8

What forms the POSTERIOR 1/3 of tongue

Answer 8

Pharyngeal arch

3 & 4

Question 9

What cranial nerve provides Motor Innervation to the tongue. Name the 3 muscles:

Answer 9

CN 12
Genioglossus
Styloglossus
Hyoglossus

A glossy genie with High Style

Question 10

Retracts and depresses tongue

Answer 10

Hyoglossus

Question 11

Protrudes tongue

Answer 11

Genioglossus

Question 12

Draws sides of tongue upwards for swallowing

Answer 12

Styloglossus

sides, swallowing

Question 13

What cranial nerve provides Motor Innervation to the Palatoglossus

Answer 13

CN 10

Pa10toglossus

Question 14

Elevates posterior tongue soft palate during swallowing

Answer 14

Palatoglossus (CN 10 innervated!)

Question 15

Which 3 CN detect taste and what nucleus do they synapse to in the brain stem?

Answer 15

CNs: 7, 9, 10

Solitarius Nucleus

Question 16

What structures are between the ANT 2/3 and POST 1/3 of the tongue (3)

Answer 16

Vallate Papillae
Sulcus Terminalis
Foramen Cecum (location of neonatal thyroid)