A 1-Year-Old Boy Has a History of Recurrent Bacterial and Fungal

Multiple Choice

A 1-year-old boy has a history of recurrent bacterial and fungal infections.Further testing shows increased concentrations of deoxyadenosine triphosphate (dATP) in white blood cells.Which of the following is the most likely diagnosis?

A) Adenosine deaminase deficiency.
B) Lesch-Nyhan syndrome.
C) Orotic aciduria.
D) Purine-nucleoside phosphorylase deficiency.
E) Xanthine oxidase deficiency.