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TSM > TSM 1.29 > Flashcards

TSM 1.29 Flashcards

1
Q

what muscles make up the floor of the mouth?

A

geniohyoid

mylohyoid

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2
Q

what does contraction of mylohyoid do?

A

elevates floor of mouth and hyoid

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3
Q

what does contraction of geniohyoid do?

A

contraction elevates the floor of the mouth

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4
Q

which tonsils are most commonly inflammed?

A

palatine tonsils

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5
Q

how many extrinsics muscles are there at the tongue?

A

4

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6
Q

what does extrinsic muscles of tongue do?

A

move the position of tongue

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7
Q

what are the 4 extrinsic muscles?

A
  • palatoglossus
  • styloglossus
  • hyoglossus
  • genioglossus
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8
Q

what does intrinsic muscle of tongue do?

A

change shape of tongue

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9
Q

which cranial nerve innervates genioglossus?

A

CN XII

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10
Q

what does the genioglossus do?

A
  • depress and protrudes tongue

- help with speech of thhh, lahhh

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11
Q

what does hyoglossus do?

A
  • depress and retracts the tongue
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12
Q

what is the space between mylohyoid and hyoglossus for?

A
  • lingual vein, artery, nerve
  • submandibular gland
  • sublingual gland
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13
Q

what does styloglossus do?

A
  • pulls tongue backwards
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14
Q

which nerve innervates the palatoglossus?

A

vagus nerve (X)

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15
Q

what does palatoglossus do?

A
  • elevates back of tongue

- depress soft palate

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16
Q

what is the overlying mucosal fold of the palatoglossus muscle?

A

palatoglossal arch

17
Q

what does the tongue sticking out in the midline mean?

A

the hypoglossus nerve is working

18
Q

if the tongue deviates to the right side which nerve has problem? and which side?

A

right side, hypoglossus nerve

19
Q

what nerve supplies sensory to anterior 2/3 of the tongue?

A

facial nerve by chorda tympani

20
Q

what nerve supplies sensory to posterior 1/3 of the tongue?

A

glossopharyngeal nerve

TSM (23 decks)

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