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ATI LPN · Medical Surgical Nursing · Cardiovascular Multiple Choice Questions and Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A 45-year-old morbidly obese man with a history of untreated obstructive sleep apnea and type II diabetes presents with lower extremity swelling in 3 months of progressive shortness of breath. A transthoracic echocardiogram performed revealed severe pulmonary hypertension with a right ventricular systolic pressure of 85 mmHg with preserved right ventricular function. The patient's vital signs are normal except for an oxygen saturation of 85% while he is breathing ambient air. He has elevated jugular venous pressures, as well as a loud P2 component of the 2nd heart sound on cardiac auscultation. His lung examination is clear. He has no rash or synovitis. Which one of the following tests is most appropriate next step for better identifying the cause of this patient's hypoxemia and peripheral edema?

A. Pulmonary ventilation perfusion scan
B. Full pulmonary function tests with diffusing capacity
C. Arterial blood gas
D. Echocardiogram with bubble study

Expert Explanatory Rationale

Correct Answer: Arterial blood gas

Question 2 of 5

Which valve below prevents blood from flowing back into the right ventricle?

A. Tricuspid valve
B. Bicuspid valve
C. Pulmonary semilunar valve
D. Aortic semilunar valve

Expert Explanatory Rationale

Correct Answer: Pulmonary semilunar valve

Question 3 of 5

The nurse is reviewing the laboratory test results for a patient who has recently been diagnosed with hypertension. Which result is most important to communicate to the health care provider?

A. Serum creatinine of 2.8 mg/dL
B. Serum potassium of 4.5 mEq/L
C. Serum hemoglobin of 14.7 g/dL
D. Blood glucose level of 96 mg/dL

Expert Explanatory Rationale

Correct Answer: Serum creatinine of 2.8 mg/dL

Question 4 of 5

The nurse obtains the following information from a patient newly diagnosed with elevated blood pressure. Which finding is most important to address with the patient?

A. Low dietary fiber intake.
B. No regular physical exercise.
C. Drinks a beer with dinner every night.
D. Weight is 5 pounds above ideal weight.

Expert Explanatory Rationale

Correct Answer: No regular physical exercise.

Question 5 of 5

At which level does the common carotid divide?

A. Level between C2 and C3
B. Level between C3 and C4
C. Level between C5 and C6
D. None is correct

Expert Explanatory Rationale

Correct Answer: Level between C3 and C4