The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 6-month-old boy presents to a pediatrician for the evaluation of recurrent bacterial infections. He has a history of a variety of bacterial infections since birth. Physical examination reveals light-colored skin with silver-colored hair. The pediatrician suspects an immunodeficiency disorder and decides to order several tests. Study of the boy’s neutrophils reveals that they contain large cytoplasmic vacuoles. Genetic studies show a mutation in the LYST gene. Which of the following is the most likely diagnosis in this patient?   (A) Acquired immunodeficiency syndrome (AIDS)   (B) Common variable immunodeficiency   (C) Chediak-Higashi syndrome   (D) Leukocyte adhesion deficiency–1
['(C) Chediak-Higashi syndrome <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Acquired immunodeficiency syndrome (AIDS) \n (B) Common variable immunodeficiency \n (C) Chediak-Higashi syndrome \n (D) Leukocyte adhesion deficiency–1 <> possible answers', '  A 6-month-old boy presents to a pediatrician for the evaluation of recurrent bacterial infections. He has a history of a variety of bacterial infections since birth. Physical examination reveals light-colored skin with silver-colored hair. The pediatrician suspects an immunodeficiency disorder and decides to order several tests. Study of the boy’s neutrophils reveals that they contain large cytoplasmic vacuoles. Genetic studies show a mutation in the LYST gene. Which of the following is the most likely diagnosis in this patient? <> context@']