10 Questions
What is the primary location of beta-1 receptors in the body?
The heart
What is the effect of blocking beta-2 receptors on the bronchial smooth muscle?
Bronchoconstriction
Which type of beta-blocker primarily blocks beta-1 receptors in the heart?
Selective beta-1 blocker
What is the effect of beta-blockers on heart rate and contractility?
Decrease in heart rate and contractility
Which of the following beta-blockers is an example of a non-selective beta-blocker?
Propranolol
What is a characteristic of beta-blockers with ISA?
They have partial agonist activity at beta receptors
Which of the following beta-blockers has additional sodium channel-blocking activity?
Acebutolol
What is a clinical use of beta-blockers?
Lowering blood pressure in patients with hypertension
What is a contraindication for beta-blockers?
Severe bradycardia
What is a potential interaction between beta-blockers and other medications?
Additive cardiovascular effects
Learn about the mechanism of action of beta-blockers, their effect on beta-adrenergic receptors, and how they impact the heart and body. Understand the role of beta-1 and beta-2 receptors in the cardiac effects of catecholamines.
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