ATI RN
Hematology Exam Questions Questions
Question 1 of 5
Iron deficiency anemia is less prevalent in breast fed infants because
Correct Answer: C
Rationale: Iron in breast milk (C) is more bioavailable (50% absorbed vs. 10% in cow’s milk), reducing anemia risk.
Question 2 of 5
Which of the following hemoglobinopathies is transfusion dependent?
Correct Answer: D
Rationale: Homozygous β-thalassemia (D) requires regular transfusions due to severe anemia.
Question 3 of 5
The LEAST confirmatory finding of ABO compatibility in a 2-day- old newborn is
Correct Answer: B
Rationale: Indirect antiglobulin test (B) on mother’s serum is less specific for ABO incompatibility in the newborn than direct findings (A, C-E).
Question 4 of 5
The best clinical indicator of ongoing hemolysis in G6PD is
Correct Answer: D
Rationale: Dark urine (D) indicates hemoglobinuria, a direct sign of hemolysis in G6PD deficiency.
Question 5 of 5
Beside pallor, the MOST common presentation of sickle cell disease during infancy is
Correct Answer: A
Rationale: Dactylitis (A) is the most common early sign in sickle cell infants, often before age 1.