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Pre-knowledge assessment
Choose correct statements.
3. Which of the following are true?
a) Length-for-age is used for children below 2 years of age and is measured lying.
b) Length is usually lower than height by 0.7cm.
c) Height-for-age is used for children who are measured standing.
d) For a child aged 2 years or older who is too weak to stand, his or her length should be measured and 0.7cm be subtracted.
e) For a child aged 2 years or older who is too weak to stand, his or her length should be measured and 0.7cm be added.
Feedback 
The correct answers are a), c) and d). Length-for-age is used for children below 2 years of age and is measured lying, whereas height-for-age is used for children who are measured standing. For a child aged 2 years or older who is too weak to stand, measure length and subtract 0.7cm (because length is usually greater than height by 0.7cm).
