NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 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 2 of 5
The nurse assumes that the client understands how an echocardiogram is performed when that client tells the nurse that this examination involves imaging the heart using which of one of the following?
Correct Answer: A
Rationale: An echocardiogram uses ultrasound waves to create images of the heart's structure and function.
Question 3 of 5
If the client is typical of others who have angina pectoris, the nurse should expect the client to report that chest pain is best relieved by which major medical measure?
Correct Answer: B
Rationale: Angina pectoris is relieved by rest, which reduces myocardial oxygen demand, allowing blood flow to meet the heart's needs.
Question 4 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 5 of 5
If the client understands the nurse's explanation of the heart's conduction system, which structure will the client identify as the site of the natural pacemaker? Place an X over the correct site.
Correct Answer: A
Rationale: The sinoatrial (S
A) node is the heart's natural pacemaker, initiating electrical impulses.