Practice Quiz

ADA NBDE National Board Dental Part I

Category - NBDE

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Which of the following statements is TRUE of platelets?
  1. They range from 200,000-400,000 per mm3 blood
  2. They are involved in immunoregulation
  3. The average lifespan is upward of 120 days
  4. They are nucleated
Explanation
Answer: A - Platelets range in number from 200,000-400,000 per mm3 of blood.
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