ATI RN
Cardiovascular System Test Questions Questions
Question 1 of 5
Which is NOT a function of plasma proteins?
Correct Answer: D
Rationale: Oxygen transport (D) is by hemoglobin in RBCs, not plasma proteins.
Question 2 of 5
Which valve separates the left atrium from the left ventricle?
Correct Answer: A
Rationale: The mitral (bicuspid) valve (A) separates the left atrium and ventricle. Tricuspid (B) is right-sided, pulmonary (C) and aortic (D) are semilunar.
Question 3 of 5
The force the heart must overcome to pump blood is known as
Correct Answer: B
Rationale: Afterload (B) is the resistance (arterial pressure) the heart overcomes to eject blood.
Question 4 of 5
Based on an understanding of nitroglycerin, the nurse administers it for which of the following reasons to a client with angina?
Correct Answer: D
Rationale: Nitroglycerin (D) dilates veins, reducing preload and oxygen demand, relieving angina. It doesn’t increase afterload (A), preload (B), or constrict arteries (C).
Question 5 of 5
The nurse is caring for a client taking atorvastatin (Lipitor). The client admits to consuming 6 to 12 beers daily. The nurse should monitor the client for what potentially serious adverse reaction to Lipitor?
Correct Answer: C
Rationale: Atorvastatin (C) with excessive alcohol risks hepatotoxicity due to liver metabolism strain. Others (A, B, D) are less significant.