The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 2-year-old girl is brought in to the office by her parents. They state that their daughter has recently been more irritable than usual, and she occasionally becomes pale and blue. Her parents note that she was diagnosed with a heart murmur, but it was never treated. Physical examination reveals a small child in distress. She is laying on the examination table with her knees drawn to her chest. Cardiac auscultation reveals a harsh, systolic ejection murmur that is best heard at the upper left sternal border. Which of the following is the most likely diagnosis?   (A) Tetralogy of Fallot   (B) Transposition of great vessels   (C) Pulmonary hypoplasia   (D) Atrial septal defect
['(A) Tetralogy of Fallot <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Tetralogy of Fallot \n (B) Transposition of great vessels \n (C) Pulmonary hypoplasia \n (D) Atrial septal defect <> possible answers', '  A 2-year-old girl is brought in to the office by her parents. They state that their daughter has recently been more irritable than usual, and she occasionally becomes pale and blue. Her parents note that she was diagnosed with a heart murmur, but it was never treated. Physical examination reveals a small child in distress. She is laying on the examination table with her knees drawn to her chest. Cardiac auscultation reveals a harsh, systolic ejection murmur that is best heard at the upper left sternal border. Which of the following is the most likely diagnosis? <> context@']