ATI RN
Hematology Exam Questions Questions
Question 1 of 5
Which best describes the action of chemotherapeutic agents used in treating cancer in children?
Correct Answer: D
Rationale: Chemotherapeutic agents work by interrupting the cell cycle, leading to the death of rapidly dividing cells, including cancer cells.
Question 2 of 5
Which measure should be implemented for a child with von Willebrand disease who has a nosebleed?
Correct Answer: A
Rationale: Applying firm pressure to the nose is the first-line intervention to control a nosebleed in von Willebrand disease.
Question 3 of 5
Which laboratory test is most likely abnormal in a child with hemophilia?
Correct Answer: D
Rationale: Hemophilia is associated with a prolonged PTT due to impaired clotting factor function.
Question 4 of 5
The main stay of treatment for congenital hypoplastic anemia is
Correct Answer: A
Rationale: Corticosteroids (A) are the mainstay for DBA, with ~70% response rate, unlike androgens (B, less effective), ATG (C, for aplastic anemia), or stem cell transplantation (D, E, reserved for non-responders).
Question 5 of 5
A 1-year-old child has folic acid deficiency since the age of 4 months, the best indicator of this deficiency is
Correct Answer: D
Rationale: Decreased RBC folate (D) directly measures folate stores, the best indicator. Elevated MCV (A) and hypersegmented neutrophils (E) are late signs, low reticulocytes (B) is nonspecific, and high LDH (C) reflects hemolysis, not folate-specific.