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ATI LPN · Medical Surgical Nursing · Cardiovascular System Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A client has a history of tricuspid stenosis, a narrowing of the tricuspid valve. The nurse knows that this valve prevents backflow of blood from the:

A. Right ventricle to the right atrium.

B. Right ventricle to the pulmonary artery.

C. Left ventricle to the left atrium.

D. Left ventricle to the aorta.

Expert Explanatory Rationale

Correct Answer: Right ventricle to the right atrium.

Question 2 of 5

After sitting in a chair for an hour, an elderly patient develops moderate lower extremity edema. His edema is most likely a consequence of

A. arterial obstruction.

B. isolated left-sided heart failure.

C. right-sided heart failure.

D. peripheral vascular disease.

Expert Explanatory Rationale

Correct Answer: right-sided heart failure.

Question 3 of 5

Granulocytes that protect against infections caused by parasitic worms

A. Neutrophils

B. Eosinophils

C. Basophils

D. Lymphocytes

Expert Explanatory Rationale

Correct Answer: Eosinophils

Question 4 of 5

The common iliac artery is in which blood circuit?

A. pulmonary

B. coronary

C. systemic

D. pelvic

Expert Explanatory Rationale

Correct Answer: systemic

Question 5 of 5

In a healthy young adult, what happens to cardiac output when heart rate increases above 160 bpm?

A. It increases

B. It decreases

C. It remains constant

D. There is no way to predict

Expert Explanatory Rationale

Correct Answer: It decreases

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