Which of the following central nervous system CNS

ATI RN

ATI RN Test Bank

Which of the following central nervous system (CNS) abnormalities have been linked to iron deficiency anemia?

A. seizure B. ataxia C. poor concentration D. blindness

Correct Answer: C

Rationale: Poor concentration (C) is linked to iron deficiency due to its role in neurodevelopment.

Which of the following results indicates Iron deficiency anemia?

A. high serum ferritin B. high red cell distribution width C. increased marrow iron D. raised marrow sideroblasts

Correct Answer: B

Rationale: High RDW (B) reflects variable RBC size in iron deficiency; others indicate normal or excess iron.

The role of corticosteroid in autoimmune hemolytic anemia is to decrease

A. antibody production B. the size of the spleen C. the clearance of sensitized RBCs in the spleen D. vascular stability

Correct Answer: C

Rationale: Corticosteroids (C) reduce splenic clearance of antibody-coated RBCs in autoimmune hemolytic anemia.

Decisions about transfusion of a child with sickle cell disease should be made on the following bases EXCEPT

A. age of the patient B. clinical condition C. hemoglobin level D. reticulocyte count

Correct Answer: A

Rationale: Age (A) is less critical than clinical condition (B), Hb level (C), reticulocytes (D), and crises (E) for transfusion decisions.

Which of the following clinical conditions DOES NOT signify iron overload in children with Î²-thalassemia major?

A. heart failure B. liver cirrhosis C. bronzing of the skin D. growth failure

Correct Answer: D

Rationale: Growth failure (D) is due to anemia/hypoxia in thalassemia, not directly iron overload like A-C, E.

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