Which measure should be implemented to protect the central nervous system from the invasion of malignant cells in a child newly diagnosed with leukemia?

Which measure should be implemented to protect the central nervous system from the invasion of malignant cells in a child newly diagnosed with leukemia?

All the following are true regarding physiologic anemia of infancy EXCEPT

The laboratory finding that is MOST likely consistent with the diagnosis of spherocytosis is

The least common infection that may occur in a 6-year-old child with sickle cell anemia is

You are evaluating a 4-year-old child with B-thalassemia major; he is on chronic transfusion therapy since the age of 1 year; you suspect transfusion-induced hemosiderosis. Of the following, the organ that is LEAST likely to be affected by iron deposition at this time is