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
During nutritional assessment of a surgical patient, the status of muscle protein is indicatedby which one of the following parameters ? 
Select and explain. 
A. Serum albumin, B. Triceps skinfold thickness, C. Mid-arm circumference, D. Hb level
C: Mid-arm circumference
Answer: C: Mid-arm circumference 
Explanation: Ans. is 'c' i.e., Mid - arm circumference