ATI RN
Hematology Exam Questions Questions
Question 1 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 2 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.
Question 3 of 5
In disseminated intravascular coagulation, which of the followings is reduced?
Correct Answer: D
Rationale: Fibrinogen (D) is reduced in DIC due to consumption in microthrombi.
Question 4 of 5
One of the following features DOES NOT fit von-Willebrand disease
Correct Answer: D
Rationale: Impaired platelet aggregation (E) is not typical; VWD affects adhesion, not aggregation.
Question 5 of 5
A 2-year- old boy presented with recurrent skin and respiratory tract infections since early infancy, he had abnormally eczematous skin of the upper and lower limbs. His initial tests showed normal liver and renal functions with CBC showing low platelets count. He has similarly affected male cousin. Of the following, the MOST likely diagnosis is
Correct Answer: B
Rationale: Wiskott-Aldrich syndrome (B) matches infections, eczema, thrombocytopenia, and X-linked family history.