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: Medicine
A patient has hyperphosphatemia with sho metacarpals and associated cataract. The diagnosis is: 
Select and explain. 
A. Pseudohypoparathyroidism, B. Hypophophatasia, C. Hyperparathyroidism, D. Osteomalacia
A: Pseudohypoparathyroidism
Answer: A: Pseudohypoparathyroidism 
Explanation: Answer is A (Pseudohypoparathyroidism): The presence of hyperphosphatemia (Serum phosphate) along with characteristic brachydactyly suggests the diagnosis of pseudohypoparathyroidism. Pseudohypoparathyroidism This is a hereditary disorder associated with symptoms and signs of hypoparathyroidism despite an elevated PTH level (pseudohypoparathyroidism) This is produced as a result of deficient end organ response to PTH.