Cardiovascular Pharmacology NCLEX RN Nursing Practice Question
The nurse is preparing a staff education program about beta-blockers and their function in the cardiovascular system. Which of the following information should the nurse include? Select all that apply.
Correct Answer: A,B
Rationale: Beta-blockers block catecholamines at beta receptors, reducing heart rate and myocardial oxygen demand. They do not increase contractility or cardiac output and are not involved in aldosterone secretion.