Drugs Called Calcium Channel Blockers May Be Used to Lower

question 45

Multiple Choice

Drugs called calcium channel blockers may be used to lower blood pressure by causing arteries to vasodilate. How do you suppose these drugs work?

• A) They prevent calcium from entering the sarcoplasmic reticulum of smooth muscle.
• B) They stimulate the calcium pump in smooth muscle, thus removing calcium from the calmodulin.
• C) They prevent calcium from exiting the sarcoplasmic reticulum in skeletal muscle.
• D) They prevent calcium from entering cardiac muscle, thus slowing down the heart rate.
• E) They prevent calcium from entering smooth muscle, thus allowing the muscle to relax.

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Definitions:

Legitimacy

The general perception that an action, entity, or institution is appropriate and justified according to socially constructed norms, values, beliefs, and definitions.

Invisible Hand

A metaphor used by economist Adam Smith to describe the self-regulating behavior of the marketplace.

Adam Smith

An 18th-century Scottish economist and philosopher, often considered the father of modern economics, known for his theories on free markets, capitalism, and the "invisible hand."

Stakeholder Model

A framework that outlines the importance of considering all stakeholders in decision-making processes, not just shareholders.