Pharmacology of the Eye Flashcards

1
Q

The most anterior portion of the uvea is the

A

Iris

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2
Q

Contains muscles that regulate the diameter of the pupil

A

Iris

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3
Q

What are two muscarinic receptor antagonists?

A

Atropine and Scopolamine

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4
Q

The prototype tertiary amine found in atropa belladonna

A

Atropine

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5
Q

Closely related to atropine

-Formulated as a transdermal patch for motion sickness

A

Scopolamine

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6
Q

Atropine and scopolamine are both well absorbed from the

A

Gut and conjunctiva

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7
Q

Has the pharmacological effects of dry as a bone, blind as a bat, mad as a hatter, hot as hell, red as a beet, and full as a flask

A

Atropine and scopolamine

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8
Q

A tertiary amine with a much shorter duration than atropine

A

Tropicamide

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9
Q

Atropine’s long half-life in the eye is useful for therapy of

A

Amblyopia

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10
Q

In addition to controlling lens shape, the Ciliary body produces

A

Aqueous humor

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11
Q

Aqueous humor secreted by the epithelium of the ciliary body flows through the anterior chamber and exits via the

A

Canal of Schlemm

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12
Q

Secretion of aqueous humor is controlled by

A

B-receptors

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13
Q

Contraction of the ciliary muscle, under muscarinic receptor control, puts tension on the trabecular network to facilitate

A

Outflow

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14
Q

Characterized by increased pressure in the anterior chamber

A

Glaucoma

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15
Q

Glaucoma is usually attributed to partially obstructed

A

Aqueous humor outflow

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16
Q

The treatment goal for glaucoma is to reduce IOP to prevent progressive

A

Glaucomatous optic nerve damage

17
Q

Reduce production of AH to lower IOP

A

Beta-Blockers

18
Q

Facilitate outflow of AH to reduce IOP

A

Muscarinic agonists or cholinesterase inhibitors

19
Q

Lacrimal drainage goes to the

A

Nose

20
Q

Lacrimal drainage goes to the nose, lined by

A

Highly mucosal epithelium

21
Q

Drugs applied to the eye may have access to systemic circulation via

A

Nasal absorption