This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'A 15 day old baby presented to the emergency depament with history of seizures. Blood tests revealed serum calcium of 5mg/dl, serum phosphate of 9 mg/dl and an intact PTH of 30 pg/ml (Normal Intact PTH = 10-60 pg/ml). Which of the following is the most likely diagnosis? \nSelect and explain. \nA. Pseudohypoparathyroidism, B. Hypoparathyroidism, C. Vitamin D Deficiency, D. Hypoxic Ischaemic Encephalopathy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Baby is showing features of relative hypoparathyroidism. In hypoparathyroidism serum calcium level is decreased, Phosphate level is increased and PTH levels is inappropriately normal, low or undetectable. Ref: Endocrinology and Metabolism By Pauline M. Camacho page77; The Cambridge encyclopedia of human paleopathology By Ahur C. Aufderheide, Conrado Rodriguez-Main, Odin Langsjoen page 333.', 'role': 'assistant'}]