What does the nurse calculate the basal metabolic index (BMI) of an 8-year-old child who is 48 inches tall (1.2 meters) and weighs 100 pounds (45.4 kg) to be?
a. 28.9
b. 32.4
c. 34.8
d. 37.6
ANS: B
The formula for BMI calculation is weight in kg divided by height in meters (squared):
45.4 (weight in kg) divided by 1.4 (1.2 squared) = 32.4. A BMI of over 30 is classified as obese.
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