ATI LPN
Cardiovascular Multiple Choice Questions and Answers Questions
Question 1 of 5
Which of the following chambers of the heart is surrounded by the thickest layer of myocardium?
Correct Answer: D
Rationale: The left ventricle has the thickest myocardium because it must generate sufficient force to pump blood throughout the entire body via the systemic circulation.
Question 2 of 5
The heart begins to beat regularly:
Correct Answer: A
Rationale: The heart starts beating around the fourth week of fetal development.
Question 3 of 5
Which of the following statements is not true of the location of the heart?
Correct Answer: D
Rationale: All statements about the location of the heart provided here are true.
Question 4 of 5
An increase in total plasma volume results from the:
Correct Answer: D
Rationale: Antidiuretic hormone and aldosterone mechanisms both contribute to increased plasma volume.
Question 5 of 5
Which topic will the nurse plan to include in discharge teaching for a patient with heart failure with reduced ejection fraction (HFrEF)?
Correct Answer: D
Rationale: The core measures for the treatment of heart failure established by The Joint Commission indicate that patients with an ejection fraction below 40% should receive an ACE inhibitor to decrease the progression of heart failure. Aerobic exercise may not be appropriate for a patient with this level of heart failure, salt substitutes are not usually recommended because of the risk of hyperkalemia, and the patient will need to see the primary care provider more frequently than annually.