Assessment reveals that a child weighs 73 lb and is 4 ft 1 in. tall. The nurse calculates this child's body mass index as:
A) 19.1
B) 20.7
C) 21.4
D) 24.5
C
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Body mass index is determined by dividing the child's weight (in pounds) by the child's height (in inches) squared and then multiplying this figure by 703 . Thus, 73 lb divided by (49 inches × 49 inches) equals 0.0304 multiplied by 703 equals 21.37 or 21.4.
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