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KMK > Stuff > Flashcards

Stuff Flashcards

1
Q

What does the lacrimal nerve innervate?

A

Lacrimal gland
Lateral conj
Lateral part of upper lid

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2
Q

The lacrimal nerve is a branch of what nerve?

A

V1 (ophthalmic branch of the trigeminal nerve)

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3
Q

What are the 2 branches of V2?

A

Infraorbital nerve

Zygomatic nerve

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4
Q

Which branch of V2 innervates lateral structures, zygomatic or infraorbital?

A

Zygomatic

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5
Q

Which nerve innervates the lateral conj and the lateral part of the upper eyelid?

A

Lacrimal nerve (ophthalmic branch of trigeminal - V1)

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6
Q

What nerve innervates the lateral part of the lower eyelid?

A

Zygomatic nerve (Branch of V2)

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7
Q

A palsy of which of the following muscles will cause a patient to tilt their head to the side opposite the palsy?

A

CN IV - head tilt to opposite side of the palsy, but to the same side of the nuclear lesion

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8
Q

What is the physiological origin of the superior oblique?

A

Trochlea

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9
Q

What is the anatomical origin of the superior oblique?

A

Lesser wing of the sphenoid and common tendinous ring (annulus of Zinn)

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10
Q

What innervates the muscles of mastication?

A

V3 - mandibular branch of trigeminal

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11
Q

What 4 major things does CN VII control?

A

Muscles of facial expression
Closes eyes
Lacrimation
Dampening of sound

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12
Q

Do the fibers of the superior rectus decussate?

A

Yes

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13
Q

Which of the following regions of the lens has the most immature fibers?

A

Cortex - it continues to grow throughout life

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14
Q

What is a remnant of the hyaloid artery left on the lens called?

A

Mittendorf dot

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15
Q

What is a remnant of the hyaloid artery left on the optic disc called?

A

Bergmeister’s papillae

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16
Q

List the vitreal attachments from weakest to strongest.

A 
Retinal vessels
Macula
Optic nerve
Posterior lens (ligament of Weiger)
Ora serrata
17
Q

The posterior pigmented iris epithelium is continuous with what two things?

A

Nonpigmented ciliary body epithelium

Neural retina

KMK (8 decks)

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