The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Most common cause of interochanteric fracture in old is -   (A) Osteoporosis   (B) Paget's dis   (C) Osteopetrosis   (D) Osteomalacia
['(A) Osteoporosis <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', "(A) Osteoporosis \n (B) Paget's dis \n (C) Osteopetrosis \n (D) Osteomalacia <> possible answers", '  Most common cause of interochanteric fracture in old is - <> context@']