Adult Health Nursing Test Bank Related

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A patient presents with petechiae, ecchymoses, and gingival bleeding. Laboratory tests reveal prolonged bleeding time, normal platelet count, and normal PT and aPTT. Which of the following conditions is most likely to cause these findings?

  • A. Glanzmann thrombasthenia
  • B. Bernard-Soulier syndrome
  • C. Acquired von Willebrand syndrome
  • D. Hemophilia A
Correct Answer: C

Rationale: The correct answer is C: Acquired von Willebrand syndrome. This condition is characterized by a defect in von Willebrand factor function, leading to prolonged bleeding time and mucocutaneous bleeding. Normal platelet count rules out Glanzmann thrombasthenia and Bernard-Soulier syndrome which are platelet disorders. Normal PT and aPTT rule out Hemophilia A, a coagulation factor deficiency. Acquired von Willebrand syndrome is the most likely cause based on the clinical presentation and laboratory findings.