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Pharmacology of Cholinergic Agonists

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Questions and Answers

What is the effect of beta blockers on cardiac output and O2 consumption?

No effect on cardiac output and O2 consumption

Increased cardiac output and O2 consumption

Variable effect on cardiac output and O2 consumption

Decreased cardiac output and O2 consumption (correct)

What is the effect of blocking beta 2 receptors on lungs?

Bronchodilation

Bronchoconstriction (correct)

No effect on lungs

Variable effect on lungs

Why are beta blockers used cautiously in diabetic patients?

Because they alter plasma glucose levels and mask symptoms of hypoglycemia (correct)

Because they increase plasma glucose levels

Because they decrease plasma glucose levels

Because they have no effect on glucose metabolism

What is the therapeutic indication of Timolol?

Glaucoma Signup and view all the answers

What is the advantage of cardioselective beta 1 blockers?

They have a weaker effect on beta 2 receptors Signup and view all the answers

What is the contraindication of beta blockers in asthma?

Asthma Signup and view all the answers

What is the effect of beta blockers on gluconeogenesis and glucagon secretion?

Decreases gluconeogenesis and glucagon secretion Signup and view all the answers

What is the therapeutic indication of Propranolol in Hyperthyroidism?

To control symptoms of hyperthyroidism Signup and view all the answers

What is the therapeutic indication of Metoprolol?

Hypertension Signup and view all the answers

What is the common adverse effect of non-cardioselective beta blockers?

Bronchoconstriction Signup and view all the answers