How do chemoreceptors regulate the heart rate?

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Cardiovascular Physiology Practice Questions Questions

Question 1 of 5

How do chemoreceptors regulate the heart rate?

A. B. C. D.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Which of the following is the correct manner of estimating a cardiac risk?

A. Divide total serum cholesterol level by the HDL level; result greater than five suggests a potential for CAD. B. Multiply total serum cholesterol level by the HDL level; result greater than five suggests a potential for CAD. C. Divide total serum cholesterol level by the LDL level; result greater than five suggests a potential for CAD. D. Divide total serum cholesterol level by the HDL level; result greater than seven suggests a potential for CAD.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Which of the following must the nurse consider when administering IV fluids to clients with hypertension?

A. The nurse checks the client's BP every hour. B. The nurse checks the site and progress of the infusion every hour. C. The nurse checks the progress of the infusion once a day. D. The nurse checks the clients pulse rate every hour.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

A client comes to the clinic with dyspnea on exertion and a MUGA scan is ordered. The client's ejection fraction should be within which of the following ranges?

A. 45%-55% B. 55% and above C. 35%-45% D. Less than 35%

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

A blood pressure reading of 118/76 mmHg would be considered:

A. Hypertensive crisis. B. Stage 2 hypertension. C. Stage 1 hypertension. D. Normal.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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