This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'True about pseudohypoparathyroidism- \nSelect and explain. \nA. Heterotopic calcification, B. edCa2+, C. iedP04, D. TedPTH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: most patients have PHP -1a and reveal characteristic features of AHO consisting of sho stature, round face, skeletal anomalies and heterotopic calcification ( Harrison 17 pg 2394)', 'role': 'assistant'}]