NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 of 5
When the client asks the nurse how propranolol helps to prevent angina, what is the best explanation?
Correct Answer: B
Rationale: Propranolol, a beta-blocker, reduces heart rate and contractility, decreasing myocardial oxygen demand and preventing angina.
Question 2 of 5
When auscultating the client's heart and breath sounds during a routine shift assessment, which action by the nurse is most appropriate?
Correct Answer: B
Rationale: The bell of the stethoscope is best for low-pitched heart sounds in pericarditis.
Question 3 of 5
Which side effects are most closely associated with the use of nitroglycerin tablets? Select all that apply.
Correct Answer: A,E
Rationale: Nitroglycerin causes vasodilation, leading to headache (due to cerebral vasodilation) and dizziness (due to hypotension). Backache, jaundice, and pallor are not typical.
Question 4 of 5
When the nurse at the physician's office reviews the client's medical record, which finding is the best indication that the client's heart has been affected by sustained high blood pressure?
Correct Answer: C
Rationale: A moderate heart disorder, such as left ventricular hypertrophy, is a common consequence of sustained hypertension due to increased workload on the heart. The other options are less specific to hypertensive heart damage.
Question 5 of 5
Which statement is the best indication that the client understands the surgical procedure involving mitral valve replacement?
Correct Answer: A
Rationale: Mitral valve replacement requires a heart-lung machine for cardiopulmonary bypass.