ATI Nurs 180 Pharmacology Quiz | Nurselytic

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ATI Nurs 180 Pharmacology Quiz Questions

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Question 1 of 5

A nurse is caring for a client admitted to the intensive care unit for a cardiac dysrhythmia. The nurse understands the prescribed calcium channel blocker has which of the following mechanisms of action?

Correct Answer: C

Rationale: The correct answer is C: Reduces the contractility and conductivity of the heart. Calcium channel blockers work by blocking the influx of calcium ions into cardiac and smooth muscle cells, leading to decreased contractility and conductivity of the heart. This results in a reduction in heart rate and blood pressure.
Choice A is incorrect as calcium channel blockers do not act on beta cells.
Choice B is incorrect as calcium channel blockers do not increase heart rate or contractility.
Choice D is incorrect as calcium channel blockers do not directly increase oxygen to the systemic circulation.

Question 2 of 5

Correct Answer:

Rationale:

Question 3 of 5

Correct Answer:

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Question 4 of 5

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Question 5 of 5

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