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: Surgery
Regarding osteoporosis, all of the following statements are true except: March 2012 
Select and explain. 
A. Raised alkaline phosphatase, B. DEXA scan is helpful, C. Reduced bony matrix, D. Cod fish appearance on X-ray
A: Raised alkaline phosphatase
Answer: A: Raised alkaline phosphatase 
Explanation: Ans: A i.e. Raised alkaline phosphatase Osteoporosis Serum calcium, phosphates & alkaline phosphatase are within normal limits. DEXA scan is an X-ray based bone densitometry, & is the gold standard in the quantification of bone mass Osteoporosis is characterised by a diffuse reduction in the bone density due to a decrease in the bone mass X-ray shows Cod fish appearance (disc bulges into the adjacent veebral bodies so that the disc becomes biconvex)