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Pre-knowledge assessment
Choose the most appropriate answer.
4. This is a boy, age 18 months. He is 65cm in length and weighs 4.8g. Which of the following should you use to determine if he has severe acute malnutrition?
a) Bilateral pitting oedema
b) Visible severe wasting
c) Length-for-age
d) Weight-for-age <-3SD
e) Weight-for-length <-3SD
Feedback 
The correct answers are a) and e). Weight-for-length <-3SD is more precise than visible severe wasting.
