Erythrocyte physiology · Physiology

Reticulocytes are best described as:

  1. Immature erythrocytes
  2. Degenerating old erythrocytes
  3. Fragmented erythrocyte debris
  4. Nucleated marrow-bound precursors
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Correct answer: Immature erythrocytes

Reticulocytes are immature red blood cells released from bone marrow. Their count reflects erythropoietic activity.

Difficulty: Medium Question 17 of 20

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