Berkeley Study Guide Flashcards

1
Q

What is the most anterior structure of the Uvea?

A

Iris

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2
Q

Which chamber does the lens reside?

A

Posterior chamber

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3
Q

What does the term “Sclerad” or “Vitread” mean?

A

Towards the Sclera or Vitreous

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4
Q

Which layer do Dellen occur?

A

Stroma

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5
Q

What is the major difference between a corneal topographer vs. keratometer?

A

Keratometer measure 3 to 4 mm of the anterior corneal surface and asses “reflected” pattern

Corneal topographer maps corneal surface and gives indication of curvatures at selected points

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6
Q

What is the definition of a holocrine cell?

A

WHOLE cell is secreted

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7
Q

What is the definition of a apocrine cell?

A

PART of the cell secreted

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8
Q

Which muscle on the face is known to cause a frowning look?

A

Corrugator

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9
Q

What muscle is known to create a look of concentration?

A

Procerus

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10
Q

What sheath is pierced when CN3 reaches the Cavernous Sinus?

A

Dura matter

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11
Q

What is the thinnest and longest CN?

A

CN 4

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12
Q

Whats is the largest CN?

A

CN 5

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13
Q

Sympathetic first order neuron seperates at what area of the spinal cord?

A

C8 and T3

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14
Q

Which bones construct the Lateral Orbital Margin?

A

Zygomatic and Frontal

Walls: Greater wing of the Sphenoid and Zygomatic

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15
Q

Which bones construct the Medial Orbital Margin?

A

Frontal, Maxilla, Lacrimal

Walls: Sphenoid, Maxilla, Ethmoid and Lacrimal

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16
Q

Spontaneous Blinking is done by what part of the Orbiculis Oculi?

A

Palpebral portion

17
Q

Which bacteriostatic agent is in tear film?

A

Lyzosome

18
Q

How thick is the tear film?

A

30um

19
Q

VOR is conducted at which part of the bony labrinth of the ear?

A

Semi-circular canal

20
Q

Where are the melanocytes located near the limbus?

A

Basal layer

21
Q

Which layers of the cornea, do not regenerate?

A

Endothelium and Bowman’s

22
Q

Which layer of the lens are the crystallins located?

A

Lens cortex

23
Q

Which part of the body has the highest concentration of protein?

A

Lens

24
Q

Most common type of congenital cataract?

A

Zonulae Lamellar

25
Q

Which layer is the sclera derived from during development?

A

Mesoderm

26
Q

What is the most common cell found in iris?

A

Fibroblast cell

27
Q

What is the canal of hanover?

A

space between zonular fibers

28
Q

What type of collagen is in the vitreous?

A

Type 2

29
Q

What is the function of Muller cells?

A

Regulate GABA, Glutamate and K+ concentration

30
Q

Whats the resting potential for PR?

A

-40mV to -70mV

31
Q

What are the 2 inihibitory neurotransmitters in the retina?

A

GABA and Glycine

32
Q

What type of defect will be noticed in a pt with an acquire Retinoschsis?

A

Absolute

33
Q

Which layers does Cystoid Macular Edema occur in?

A

OPL and INL

34
Q

After what corneal thickness does a pt have a high chance of POAG?

A

<555um

35
Q

What has the highest concentration in the Aqueous?

Bicarbonate, Lactate, Ascorbate or Pyruvate?

A

Bicarb > Lactate > Pyruvate > Ascorbate

36
Q

Why is Betaxolol considered Cardioselective?

A

Studies have shown that Betaxolol vs. Atenolol or Propanolol will cause Myocardial Acidosis more so that

37
Q

CN 12 impacts the tongue on which side?

A

Ipsilateral

38
Q

CN 10 impacts the uvula on which side?

A

Contralateral