Nokea
A prothrombin time test should be performed regularly on persons who are taking which medication?
- A. Heparin
- B. Warfarin
- C. Phenobarbital
- D. Digoxin
Correct Answer: B
Rationale: A prothrombin time test is done to determine the effectiveness of warfarin. A partial thromboplastin time test is used for heparin. Phenobarbital and digoxin do not require regular clotting tests, though serum levels may be monitored for long-term therapy.
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The nurse is observing a client who is learning to perform Buerger-Allen exercises. The nurse knows that the client is performing these exercises correctly when the client is observed doing what?
- A. Alternately dorsiflexing and plantar flexing the feet while the legs are elevated
- B. Massaging the legs beginning at the feet and moving toward the heart
- C. Alternately walking short distances and resting with the legs elevated
- D. Elevating the legs, then dangling them, and then lying flat for three minutes in each position
Correct Answer: D
Rationale: Buerger-Allen exercises involve elevating the legs to promote arterial emptying, dangling to promote filling, and lying flat to rest, performed in cycles to improve circulation.
When gathering nursing assessment data, which finding will adults with chronic cardiac diseases most frequently, the client is a good treatment.
- A. Barrel-shaped chest
- B. Flushed facial skin
- C. Clubbed fingertips
- D. Chest pain
Correct Answer: C
Rationale: Clubbed fingertips are common in chronic cardiac diseases due to chronic hypoxia.
Digoxin (Lanoxin) and furosemide (Lasix) are ordered for a client who has congestive heart failure. Which of the following would the nurse also expect to be ordered for this client?
- A. Potassium
- B. Calcium
- C. Aspirin
- D. Coumadin
Correct Answer: A
Rationale: Furosemide, a diuretic, can cause potassium loss, leading to hypokalemia, which increases the risk of digoxin toxicity. Potassium supplements are often ordered to maintain normal levels.
When the nurse is obtaining this client's health history, which question about pain is least helpful?
- A. How long have you been in pain?
- B. Where is your pain located?
- C. What were you doing when your pain started?
- D. What medications do you take for pain?
Correct Answer: D
Rationale: Asking about pain medications is less critical in the acute MI setting compared to timing, location, and triggers, which guide diagnosis and urgency.
An adult male is being evaluated for possible dysrhythmia and is to be placed on a Holter monitor. What instructions should the nurse give him to ensure that this test provides a comprehensive picture of his cardiac status?
- A. Remove the electrodes intermittently for hygiene measures.
- B. Exercise frequently while the monitor is in place.
- C. Keep a diary of all your activities while being monitored.
- D. Refrain from activities that precipitate symptoms.
Correct Answer: C
Rationale: Keeping a diary of activities correlates symptoms or dysrhythmias with specific triggers, providing a comprehensive picture for diagnosis.