ATI RN
ASCP Hematology Questions Questions
Question 1 of 5
Mentzer index of less than 12.5 suggests thalassemia trait, it represents
Correct Answer: A
Rationale: Mentzer index (A) = MCV/RBC; <12.5 indicates thalassemia trait vs. >13 for iron deficiency.
Question 2 of 5
The best treatment option for hereditary spherocytosis is
Correct Answer: A
Rationale: Splenectomy (A) is the definitive treatment for severe hereditary spherocytosis to reduce hemolysis.
Question 3 of 5
Which of the following agents helps in decreasing the frequency of vasoocclusive crises in children with sickle cell disease?
Correct Answer: C
Rationale: Hydroxyurea (C) reduces vaso-occlusive crises by increasing fetal hemoglobin.
Question 4 of 5
Which of the following conditions causes profound thrombocytopenia?
Correct Answer: A
Rationale: DIC (A) consumes platelets, causing profound thrombocytopenia.
Question 5 of 5
One of the following features DOES NOT fit hemophilia A
Correct Answer: B
Rationale: Hemophilia A has normal PT (B incorrect); PTT is prolonged (C) due to low factor VIII (D).