The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 2-hour-old, 3.2 kg (7.0 lb) newborn boy born by cesarean delivery is being evaluated by the resident on-call. The child was born to a gravida 2, para 0 mother with known hepatitis B. The mother made it to all of her prenatal appointments and took the recommended dose of folic acid since conception. She gave up smoking when she discovered she was pregnant. The infant’s heart rate is 150/min, respiratory rate is 48/min, temperature is 37.5°C (99.5°F), and blood pressure is 80/52 mm Hg. APGAR testing exhibits a score of 7 and 8 at 1 and 5 minutes, respectively. The head is normocephalic. No neural tube defects are present on inspection or palpation of the spine. There is strong flexion in all 4 extremities. Cranial nerves 2–12 are intact. Sensory and deep tendon reflexes are without any abnormalities. Which of the following is the best course of action for the newborn child? Hepatitis B serology HBsAg positive HBeAg positive IgM HBc negative Total anti-HBc positive Anti-HBs negative Anti-HBc negative HBV DNA greater than 1 million IU/mL Alanine transferase normal   (A) Administer hepatitis B vaccine   (B) Administer hepatitis B immunoglobulin (HBIG)   (C) Administer hepatitis B vaccine and HBIG   (D) Check hepatitis B serology
['(C) Administer hepatitis B vaccine and HBIG <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Administer hepatitis B vaccine \n (B) Administer hepatitis B immunoglobulin (HBIG) \n (C) Administer hepatitis B vaccine and HBIG \n (D) Check hepatitis B serology <> possible answers', '  A 2-hour-old, 3.2 kg (7.0 lb) newborn boy born by cesarean delivery is being evaluated by the resident on-call. The child was born to a gravida 2, para 0 mother with known hepatitis B. The mother made it to all of her prenatal appointments and took the recommended dose of folic acid since conception. She gave up smoking when she discovered she was pregnant. The infant’s heart rate is 150/min, respiratory rate is 48/min, temperature is 37.5°C (99.5°F), and blood pressure is 80/52 mm Hg. APGAR testing exhibits a score of 7 and 8 at 1 and 5 minutes, respectively. The head is normocephalic. No neural tube defects are present on inspection or palpation of the spine. There is strong flexion in all 4 extremities. Cranial nerves 2–12 are intact. Sensory and deep tendon reflexes are without any abnormalities. Which of the following is the best course of action for the newborn child?\nHepatitis B serology\nHBsAg positive\nHBeAg positive\nIgM HBc negative\nTotal anti-HBc positive\nAnti-HBs negative\nAnti-HBc negative\nHBV DNA greater than 1 million IU/mL\nAlanine transferase normal <> context@']