Platelets and Clotting Disorders · Physiology

Which clotting disorder is characterized by a prolonged bleeding time with a normal platelet count?

  1. Hemophilia A
  2. Von Willebrand disease
  3. Thrombocytopenia
  4. Disseminated intravascular coagulation
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Correct answer: Von Willebrand disease

Von Willebrand disease impairs platelet adhesion despite a normal platelet count. This leads to prolonged bleeding time.

Difficulty: Medium Question 10 of 20

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