NCLEX Trainer Test 4 Related

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The nurse is caring for a client who is receiving heparin 5,000 units subcutaneously every 12 hours. Which of the following laboratory results would be of GREATest concern to the nurse?

  • A. Platelet count of 100,000/mm^3.
  • B. INR of 1.2.
  • C. PTT of 40 seconds.
  • D. Hemoglobin of 14 g/dL.
Correct Answer: A

Rationale: A platelet count of 100,000/mm^3 suggests thrombocytopenia, a serious complication of heparin therapy, increasing bleeding risk and possibly indicating heparin-induced thrombocytopenia. Options B, C, and D are normal or less concerning: INR and PTT are not significantly affected by subcutaneous heparin, and hemoglobin 14 g/dL is normal.