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Glaucoma Drug Classification Quiz

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Questions and Answers

Why should beta-blockers be cautiously used in patients with bronchial asthma and heart failure?

They cause systemic side effects (correct)

They lower blood pressure

They increase intraocular pressure

They constrict the pupils

Which drug is considered the drug of choice in open-angle glaucoma due to its longer duration of action, high efficacy, and low systemic toxicity?

Betaxolol

Latanoprost (correct)

Levobunolol

Pilocarpine

Which miotic is used topically in the treatment of open-angle and acute congestive glaucoma by facilitating drainage of aqueous humor?

Betaxolol

Latanoprost

Levobunolol

Pilocarpine (correct)

What is the main action of a-adrenergic agonists in glaucoma treatment?

Reducing formation of aqueous humor Signup and view all the answers

Which topical drug does not cross the blood-brain barrier and is used as an adjunct in glaucoma treatment?

Apraclonidine Signup and view all the answers

Why is dipivefrin considered a prodrug in glaucoma treatment?

It penetrates the cornea and gets converted into adrenaline Signup and view all the answers

How do osmotic agents reduce intraocular pressure in acute congestive glaucoma?

By drawing fluid from the eye into the circulation through osmotic effect Signup and view all the answers

Which medication is preferred in chronic simple glaucoma due to a lower risk of systemic side effects?

Dorzolamide Signup and view all the answers

How do B-adrenergic blockers decrease intraocular pressure?

By decreasing aqueous humour formation Signup and view all the answers

Which of the following is a selective B₁-blocker used in glaucoma treatment?

Betaxolol Signup and view all the answers

Why is timolol widely used in glaucoma treatment?

It lacks local anaesthetic or partial agonistic properties Signup and view all the answers

What is the main mechanism of action of carbonic anhydrase inhibitors in reducing intraocular pressure?

Inhibiting carbonic anhydrase enzyme Signup and view all the answers