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Calcium Channel Blockers

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Questions and Answers

Which of the following statements about calcium channel blockers is true?

Calcium channel blockers decrease myocardial oxygen consumption. (correct)

Calcium channel blockers increase calcium influx in ischemia.

Calcium channel blockers primarily affect venous smooth muscle.

Calcium channel blockers promote the activity of ATP-consuming enzymes.

What is the primary effect of calcium channel blockers on smooth muscle tone?

Increase in smooth muscle tone

Decrease in smooth muscle tone (correct)

Varies depending on the type of calcium channel blocker

No effect on smooth muscle tone

How do calcium channel blockers protect the tissue in ischemia?

By promoting the activity of ATP-consuming enzymes

By increasing calcium influx

By depleting energy stores

By inhibiting the entrance of calcium into cardiac and smooth muscle cells (correct)

What is the main mechanism of action of calcium channel blockers in the treatment of effort-induced angina?

<p>Decreasing vascular resistance</p> Signup and view all the answers

Why are calcium channel blockers effective in the treatment of vasospastic angina?

<p>By increasing coronary artery relaxation</p> Signup and view all the answers

Calcium Channel Blockers

Choose a study mode

Podcast

Questions and Answers

Which of the following statements about calcium channel blockers is true?

What is the primary effect of calcium channel blockers on smooth muscle tone?

How do calcium channel blockers protect the tissue in ischemia?

What is the main mechanism of action of calcium channel blockers in the treatment of effort-induced angina?

Why are calcium channel blockers effective in the treatment of vasospastic angina?

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