ATI RN
Cardiovascular System Test Questions Questions
Question 1 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 2 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.
Question 3 of 5
Oxygen is carried in the blood bonded to:
Correct Answer: A
Rationale: Oxygen is primarily transported in the blood bound to hemoglobin in red blood cells (about 98-99%). Bicarbonate ions carry CO₂, 'protein' is too vague, and carbonic acid is a CO₂ transport intermediate, not oxygen.
Question 4 of 5
How many pillows do you use at night to sleep comfortably?' is a question for the nurse to ask a client with heart issues because it assesses for?
Correct Answer: B
Rationale: Asking about pillow use assesses orthopnea, a symptom of heart failure where patients need elevation to breathe comfortably at night due to pulmonary congestion. Other options assess different aspects but not specifically tied to this question.
Question 5 of 5
A client is admitted with the diagnosis of Myocardial Infarction. Which of the following lab values would be consistent with this diagnosis?
Correct Answer: B
Rationale: Elevated CPK, especially the MB fraction, is a key marker of myocardial infarction due to cardiac muscle damage releasing this enzyme. Other values may be abnormal in other contexts but are not specific to MI.