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: Unknown
Severe acute malnutrition, arm circumference is less than (in cm) - 
Select and explain. 
A. 12.5, B. 13.5, C. 12, D. 11.5
D: 11.5
Answer: D: 11.5 
Explanation: Ans-D i.e., 11.5 [Ref: Updates on the management of severe acute malnutrition in infants and children, WHO protocol p. 26 and Severe Acute Malnutrition - SAM - child. Immediate in-hospital medical attention is needed for a SAM child. Read what is SAM on net. Broadly - a child whose weight is very less compared to its age in months. and MUAC ( mid upper arm circumference) is very less <11.5 cm) o IN children who are 6-59 months of age, severe acute malnutrition is defined as:- Weight-for-height < -3 Z-score. or Mid-upper-arm circumference <115 mm, or Presence of bilateral edema