Spontaneous bleeding occurs when platelet count falls below: (A) 50,000/microL, (B) 40,000/microL, (C) 30,000/microL, (D) 20,000/microL
Answer is D. >= 50,000/mL Minimal 20,000-50,000/mL Minor bleeding after trauma < 20,000/mL Spontaneous bleeding < 5000/mL Severe, possibly life-threatening spontaneous bleeding