Nokea
The client with coronary artery disease asks the nurse, 'Why do I get chest pain?' Which statement would be the most appropriate response by the nurse?
- A. Chest pain is caused by decreased oxygen to the heart muscle.'
- B. There is ischemia to the myocardium as a result of hypoxemia.'
- C. The heart muscle is unable to pump effectively to perfuse the body.'
- D. Chest pain occurs when the lungs cannot adequately oxygenate the blood.'
Correct Answer: A
Rationale: Chest pain in CAD is due to decreased oxygen to the heart muscle (A), a clear explanation. Ischemia/hypoxemia (B) is technical, pumping (C) relates to heart failure, and lungs (D) are incorrect.
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The client who has had a myocardial infarction is admitted to the telemetry unit from intensive care. Which referral would be most appropriate for the client?
- A. Social worker.
- B. Physical therapy.
- C. Cardiac rehabilitation.
- D. Occupational therapy.
Correct Answer: C
Rationale: Cardiac rehabilitation (C) promotes recovery through exercise and education post-MI. Social work (A), physical therapy (B), and occupational therapy (D) are less specific.
The nurse is caring for a client diagnosed with coronary artery disease (CAD). Which should the nurse teach the client prior to discharge?
- A. Carry your nitroglycerin tablets in a brown bottle.
- B. Swallow a nitroglycerin tablet at the first sign of angina.
- C. If one nitroglycerin tablet does not work in 10 minutes, take another.
- D. Nitroglycerin tablets have a fruity odor if they are potent.
Correct Answer: A
Rationale: Nitroglycerin should be stored in a dark bottle (A) to maintain potency. Swallowing (B) is incorrect (sublingual), 10 minutes (C) should be 5, and fruity odor (D) is not a potency indicator.
Which assessment data would the nurse expect to auscultate in the client diagnosed with mitral valve insufficiency?
- A. A loud S1, S2 split, and a mitral opening snap.
- B. A holosystolic murmur heard best at the cardiac apex.
- C. A midsystolic ejection click or murmur heard at the base.
- D. A high-pitched sound heard at the third left intercostal space.
Correct Answer: B
Rationale: Mitral insufficiency (regurgitation) causes a holosystolic murmur at the apex (B) due to backflow. S1/S2 snap (A) is mitral stenosis, ejection click (C) is aortic/pulmonic, and high-pitched sound (D) is nonspecific.
The nurse is preparing to administer warfarin (Coumadin), an oral anticoagulant, to a client with a mechanical valve replacement. The client's INR is 2.7. Which action should the nurse implement?
- A. Administer the medication as ordered.
- B. Prepare to administer vitamin K (AquaMephyton).
- C. Hold the medication and notify the HCP.
- D. Assess the client for abnormal bleeding.
Correct Answer: A
Rationale: INR 2.7 (A) is within the therapeutic range (2–3) for mechanical valves, so administer warfarin. Vitamin K (B) reverses anticoagulation, holding (C) is unnecessary, and bleeding (D) is routine but not primary.
The 45-year-old male client diagnosed with essential hypertension has decided not to take his medications. The client's BP is 178/94, indicating a perfusion issue. Which question should the nurse ask the client first?
- A. Do you have the money to buy your medication?'
- B. Does the medication give unwanted side effects?'
- C. Did you quit taking the medications because you don’t feel bad?'
- D. Can you tell me why you stopped taking the medication?'
Correct Answer: D
Rationale: Asking why the client stopped (D) is open-ended, identifying barriers like side effects (B) or asymptomatic disease (C). Financial issues (A) are secondary.