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In this concise NCLEX preparation segment, the speaker explains that aplastic anemia is a bone‑marrow failure disorder—not an iron‑deficiency anemia—resulting in the inability to produce adequate red blood cells, white blood cells, and platelets. This leads to pancytopenia, which manifests clinically as lethargy, fatigue, weakness, tachycardia, and a pale complexion. The speaker emphasizes that iron supplementation will not benefit these patients and highlights the importance of recognizing the full spectrum of decreased blood components for nursing assessment and exam preparation.
