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Pharmacology of Beta-Adrenergic Blocking Drugs

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Pharmacology of Beta-Adrenergic Blocking Drugs

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Questions and Answers

What is the primary location of beta-1 receptors in the body?

The heart (correct)

Vascular smooth muscle

Skeletal muscle

Bronchial smooth muscle

What is the effect of blocking beta-2 receptors on the bronchial smooth muscle?

Glycogenolysis stimulation

Bronchoconstriction (correct)

Bronchodilation

Vasodilation

Which type of beta-blocker primarily blocks beta-1 receptors in the heart?

Selective beta-1 blocker (correct)

Selective beta-2 blocker

ISA blocker

Non-selective beta-blocker

What is the effect of beta-blockers on heart rate and contractility?

Decrease in heart rate and contractility Signup and view all the answers

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

Propranolol Signup and view all the answers

What is a characteristic of beta-blockers with ISA?

They have partial agonist activity at beta receptors Signup and view all the answers

Which of the following beta-blockers has additional sodium channel-blocking activity?

Acebutolol Signup and view all the answers

What is a clinical use of beta-blockers?

Lowering blood pressure in patients with hypertension Signup and view all the answers

What is a contraindication for beta-blockers?

Severe bradycardia Signup and view all the answers

What is a potential interaction between beta-blockers and other medications?

Additive cardiovascular effects Signup and view all the answers