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Pathology · single question

During a sickle cell crisis, which process most directly worsens the patient's anemia and overall crisis severity?

  1. Accelerated red blood cell destruction (premature cell death/hemolysis of sickled cells)
  2. A prolonged red blood cell half-life/lifespan
  3. Increased red blood cell production outpacing demand
  4. Decreased white blood cell turnover
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Correct answer: A. Accelerated red blood cell destruction (premature cell death/hemolysis of sickled cells)

Sickled red blood cells are fragile and undergo premature destruction (hemolysis), dramatically shortening their normal ~120-day lifespan to as little as 10–20 days during crisis — this accelerated destruction (not a prolonged lifespan) is what worsens the anemia and overall crisis severity, alongside the vaso-occlusive effects of the misshapen cells themselves.

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