ATI LPN
Cardiovascular Questions and Answers PDF Questions
Question 1 of 5
Semilunar valves open into:
Correct Answer: D
Rationale: Semilunar valves open into both the aorta and the pulmonary artery.
Question 2 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 3 of 5
The amount of blood pumped by one ventricle in one minute is called:
Correct Answer: D
Rationale: Cardiac output is a combination of stroke volume and heart rate. Stroke volume is the volume of blood pumped by the left ventricle of the heart per beat. Heart rate is the number of beats of the heart per minute (bpm).
Question 4 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 5 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.