ATI LPN
Cardiovascular Questions and Answers PDF Questions
Question 1 of 5
During a visit to a 78-yr-old patient with chronic heart failure, the home care nurse finds that the patient has ankle edema, a 2-kg weight gain over the past 2 days, and complains of 'feeling too tired to get out of bed.' Based on these data, a correct nursing diagnosis for the patient is
Correct Answer: A
Rationale: The patient's statement supports the diagnosis of activity intolerance. There are no data to support the other diagnoses, although the nurse will need to assess for additional patient problems.
Question 2 of 5
Which of the following is true about arteries?
Correct Answer: D
Rationale: Arteries rely on the heart's pumping action for blood flow; they have elastic walls, no valves, and don't always carry oxygenated blood (e.g., pulmonary artery).
Question 3 of 5
When recording lead I on an ECG, the right arm is the negative electrode, and the positive electrode is:
Correct Answer: A
Rationale: In lead I, the right arm is negative, and the left arm is positive, measuring the potential difference across the arms.
Question 4 of 5
A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end-diastolic volume?
Correct Answer: D
Rationale: Ejection fraction = SV/EDV; SV = EDV - ESV. Given EF = 0.25 and ESV = 150 ml, SV = 50 ml, so EDV = 200 ml.
Question 5 of 5
Venous return is determined by:
Correct Answer: D
Rationale: All listed factors—blood volume, venous capacity, and muscle activity—affect venous return.