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PNS #1 > 1: Ocular Eye Muscle Info > Flashcards

1: Ocular Eye Muscle Info Flashcards

1
Q

What is the nerve supply of superior rectus?

A

Oculomotor superior ramus

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2
Q

What is the nerve supply of medial rectus?

A

Oculomotor inferior ramus

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3
Q

What is the nerve supply of inferior rectus?

A

Oculomotor inferior ramus

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4
Q

What is the nerve supply of lateral rectus?

A

Abducens nerve

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5
Q

What is the nerve supply of inferior oblique?

A

Oculomotor inferior ramus

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6
Q

What is the superior oblique nerve supply?

A

Trochlear nerve

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7
Q

What is the ciliaris muscle nerve supply?

A

Oculomotor via ciliary ganglion

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8
Q

What is the nerve supply of the pupillary constrictor?

A

Oculomotor via ciliary ganglion

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9
Q

What is the action of lavator palpebrae superioris?

A

Raises eyelid

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10
Q

What is the action of superior rectus?

A

Directs eyeball upward

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11
Q

What is the action of the medial rectus?

A

Directs eyeball medically

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12
Q

What is the action of the inferior rectus?

A

Directs eyeball downward

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13
Q

What is the action of the lateral rectus?

A

Directs eyeball laterally

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14
Q

What is the action of the superior oblique?

A

Directs eyeball inferior and laterally

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15
Q

What is the action of the inferior oblique?

A

Directs eyeball superior and lateral

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16
Q

What is the action of the ciliaris muscle?

A

Changes shape of lens

17
Q

What is the action of the pupillary constrictor?

A

Constricts the pupil

18
Q

What muscles allow gaze to be up and to the right?

A

L: inferior oblique
R: superior rectus

19
Q

What muscles allow gaze to be to the right?

A

L: medial rectus
R: lateral rectus

20
Q

What muscles allow gaze to be down and to the right?

A

L: superior oblique
R: inferior rectus

21
Q

What muscles allow gaze to be down and to the left?

A

L: inferior rectus
R: superior oblique

22
Q

What muscles allow gaze to be to the left?

A

L: lateral rectus
R: medial rectus

23
Q

What muscles allow gaze to be up and to the left?

A

L: superior rectus
R: inferior oblique

24
Q

What is the nerve supply of lavator palpebrae superioris?

A

Oculomotor superior ramus

PNS #1 (14 decks)

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