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The nurse is caring for a client with a history of deep vein thrombosis who is receiving warfarin (Coumadin) 5 mg PO daily. Which of the following laboratory results would be of GREATest concern to the nurse?
- A. INR of 3.5.
- B. PTT of 40 seconds.
- C. Platelet count of 200,000/mm^3.
- D. Hemoglobin of 13 g/dL.
Correct Answer: A
Rationale: An INR of 3.5 is above the therapeutic range (2.0–3.0) for DVT, increasing bleeding risk, requiring dose adjustment. Options B, C, and D are normal: PTT is unaffected, platelet count 200,000/mm^3 is adequate, and hemoglobin 13 g/dL is normal.
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The parents of a one-month-old boy bring their son to the clinic for evaluation of a possible right dislocated hip.
- A. Which symptom will the nurse observe in a one-month-old with unilateral right hip dislocation?
- B. Limited adduction of the right leg.
- C. Uneven gluteal fold and thigh creases.
- D. Increase in length of the right limb.
- E. Internal rotation of the right leg.
Correct Answer: B
Rationale: Unilateral hip dislocation causes uneven gluteal folds and thigh creases, with deeper and longer folds on the affected side due to hip displacement. Limited abduction (not adduction), shortened limb length, and variable rotation are more typical findings.
An adult male had a myocardial infarction six weeks ago. He asks the nurse if it is safe for him to have sex. What should the nurse include when replying?
- A. Taking nitroglycerin before sexual activity is often helpful.
- B. Taking drugs for erectile dysfunction in addition to nitroglycerin is advised.
- C. The client should rest for several hours before engaging in sexual activity.
- D. Sexual activity should be avoided for six months after a heart attack.
Correct Answer: A
Rationale: Nitroglycerin before sexual activity can prevent angina, and sexual activity is generally safe 6 weeks post-MI if the patient is stable.
The client has recently had a colostomy. The nurse is providing home care and is teaching the client about care of his colostomy. Which comment by the client indicates understanding of the care of his colostomy?
- A. I will use hot water to irrigate the colostomy.'
- B. If my skin gets red, I will put alcohol on it.'
- C. I will irrigate the colostomy at the same time each day.'
- D. I should do the irrigation while lying in bed.'
Correct Answer: C
Rationale: Regularly timed colostomy irrigation promotes predictable bowel patterns, indicating understanding. Hot water, alcohol, or bed irrigation are incorrect.
The nurse is caring for a client with a history of atrial fibrillation who is receiving digoxin (Lanoxin) 0.125 mg PO daily. Which of the following laboratory results would be of GREATest concern to the nurse?
- A. Potassium 3.0 mEq/L.
- B. Sodium 140 mEq/L.
- C. Magnesium 2.0 mEq/L.
- D. Calcium 9.0 mg/dL.
Correct Answer: A
Rationale: Hypokalemia (potassium 3.0 mEq/L) increases the risk of digoxin toxicity, which can cause life-threatening arrhythmias in atrial fibrillation. Options B, C, and D are normal: sodium 140 mEq/L, magnesium 2.0 mEq/L, and calcium 9.0 mg/dL do not affect digoxin.
The nurse is caring for a client who had a cystoscopy earlier in the day. Which symptom from the client is of greatest concern to the nurse?
- A. Complaint of back pain
- B. Tea-colored urine
- C. Leg cramps
- D. Pink-tinged urine
Correct Answer: A
Rationale: Back pain post-cystoscopy may indicate complications like renal injury or infection, requiring urgent evaluation. Hematuria (tea/pink urine) is expected, and leg cramps are less concerning.