system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 5 year old female patient complains of deformed shape of legs. Patient is a strict vegetarian. Lab investigations reveal elevated levels of alkaline phosphatase. This patient is suffering from deficiency of a vitamin whose recommended dietary allowance is-
assistant
The correct answer is  Deficiency of vitamin D causes rickets in children and osteomalacia in adults. The weight bearing bones are bent to form bow-legs.  In rickets, the plasma level of calcitriol  is  decreased  and  alkaline phosphatase  activity  is  elevated. The daily requirement of vitamin D is 400IU or 10 mg of cholecalciferol.
Satyanarayana- Biochemistry, 3rd edition, pg-127