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: Social & Preventive Medicine
Severe malnutrition is diagnosed if serum albumin level is less than: 
Select and explain. 
A. 2 g/dl, B. 2.5 g/dl, C. 3 g/dl, D. 3.5 g/dl
C: 3 g/dl
Answer: C: 3 g/dl 
Explanation: The best measure of protein nutrition is serum albumin. A level of <3.5 g/dl is considered mild malnutrition while level of less than 3 g/dl is graded as severe malnutrition. Ref: Park 22nd edition, page 565.