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Alpha and Beta-Adrenergic Blocking Drugs: Pharmacology Overview

10 Questions

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Alpha and Beta-Adrenergic Blocking Drugs: Pharmacology Overview

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Questions and Answers

What is the primary effect of alpha-adrenergic blocking drugs on blood vessels?

Vasodilation (correct)

Increased blood pressure

No effect on blood vessels

Vasoconstriction

What is the difference between selective alpha-1 blockers and non-selective alpha blockers?

Selective alpha-1 blockers block only alpha-1 receptors, whereas non-selective alpha blockers block both alpha-1 and alpha-2 receptors (correct)

Selective alpha-1 blockers block only beta-1 receptors, whereas non-selective alpha blockers block only beta-2 receptors

Selective alpha-1 blockers block both alpha-1 and alpha-2 receptors, whereas non-selective alpha blockers block only alpha-1 receptors

Selective alpha-1 blockers block only alpha-2 receptors, whereas non-selective alpha blockers block both alpha-1 and alpha-2 receptors

What is the effect of beta-adrenergic blocking drugs on heart rate?

Increased heart rate

Variable effect on heart rate

No effect on heart rate

Decreased heart rate (correct)

Which of the following is an example of a non-selective alpha blocker?

Phentolamine Signup and view all the answers

What is the common effect of both alpha-adrenergic blocking drugs and beta-adrenergic blocking drugs?

Vasodilation Signup and view all the answers

What is the primary effect of selective beta-1 blockers on the heart?

Decreased heart rate and cardiac output Signup and view all the answers

Which of the following beta blockers has alpha-blocking activity?

Carvedilol Signup and view all the answers

What is the primary effect of non-selective beta blockers on patients with asthma or COPD?

Bronchoconstriction Signup and view all the answers

Which of the following is a clinical use of alpha-adrenergic blocking drugs?

Hypertension Signup and view all the answers

What is the overall effect of alpha and beta-adrenergic blocking drugs dependent on?

Their selectivity and additional properties Signup and view all the answers