COT Flashcards : Pharmacology 3%

Question 1

What is the primary purpose of using epinephrine for glaucoma?

A. Increase aqueous outflow
B. Increase aqueous production
C. Decrease aqueous outflow
D. Decrease aqueous production

Answer 1

A. Increase aqueous outflow

Question 2

A 79-year-old female is taking medication for open angle glaucoma. She has syncopal episode and is found to have a pulse rate of 36 beats per minute. Which of the following glaucoma medications is most likely the cause?

A. Acetazolamide
B. Mannitol
C. Pilocarpine
D. Timolol

Answer 2

D. Timolol

Question 3

The type of drug that stimulates the effect of acetylocholine is a

A. parasympatholytic
B. parasympathomimetic
C. sympatholytic
D. sympathomimetic

Answer 3

D. sympathomimetic

Question 4

What is the principle mode of action of carbonic anhydrase inhibitors when used for the treatment of glaucoma?

A. Constriction of the pupil
B. Reduction of pressure in the aqueous veins
C. Reduction in the amount of aqueous formed by the ciliary body
D. Increased rate flow of aqueous through the trabecluar meshwork

Answer 4

C. Reduction in the amount of aqueous formed by the ciliary body

Question 5

Sympathomeimetic agents dilate the pupil by which of the following mechanisms?

A. Blocking the action of the sphincter muscle of the iris
B. Stimulating the ciliary muscle
C. Stimulating the radial muscle of the iris
D. Stimulating the sphincter muscle of the iris

Answer 5

C. Stimulating the radial muscle of the iris

Question 6

What cycloplegic agent produces the longest lasting affect?

A. Homatropine
B. Atropine sulfate
C. Tropicamide
D. Cyclopentolate

Answer 6

B. Atropine sulfate