GI: Taste, Chew and Swallow Flashcards Preview

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Flashcards in GI: Taste, Chew and Swallow Deck (36)
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1

What muscles close the mouth?

Masseter
Temporalis
Medial pterygoid

2

Which muscle opens the mouth

lateral pterygoid

3

where does the masseter attach

Angle of the mandible
Zygomatic arch

4

Where does the temporalis attach

coronoid process of the mandible
lateral aspect of the neurocranium

5

where does the medial pterygoid attach

medial side of the angle of the mandible
pterygoid plate of the sphenoid bone

6

where does the lateral pterygoid attach

condyle of mandible
pterygoid plate of sphenoid

7

What cranial nerve supplies the muscle of mastication

CN V3

8

Which foramen does the CN V3 leave from

foramen ovale

9

What supplies the posterior thrd of the tongue with special sensory nerves?

CN IX

10

What supplies the special sensation of tast to the anterior part of the tonguw

CN VII

11

What supplies general sensation to the inferior part of the oral cavity including the tongue

CNV3

12

What supplies the superior part of the oral cavity?

CN V2

13

Where does CNV2 pass through the cranium

Foramen rotundum

14

Where are the two exit points of the facial nerve

Internal acoustic meatus
Stylomastoid foramen

15

What branch of CN VII supplies the tongue

chorda tympani

16

Where else does the charda tympani supply

secretomotor to the submandibular and sublingual salivary glands

17

What are the four extrinsic muscles of the tongue

Palatoglossus
Hyoglossus (hyoid bone)
Styloglossus (styloid process of the temporal bone)
Genioglossus

18

What supplies the muscles of the tongue?

CN XII

19

Where does CN XII leave the brain

hypoglossal canal

20

What is the sensory part of the gag reflex

CN IX

21

Whaat is the motor part of the gag reflex?

CN X

22

Where does cranial nerve IX exit the cranial cavity

jugular foramen

23

What muscle prevents drooling

Orbicularis oris

24

What innervates the orbicularis oris

CN VII

25

Where does the parotid gland drain?

Upper second molar

26

Where does the submandibular duct drain?

Base of the lingual frenulum

27

Where does the sublingual duct drain

floor of the mouth

28

What are the two layers of pharyngeal constrictor muscles

Inner longitudinal
Outer circular

29

What supplies the inner longitudinal

Cranial nerves IX and X

30

What supplies the outer circular

CN X