The nurse is using calipers to measure skin-fold thickness over the triceps muscle in a school-age child. What is the purpose of doing this?
a. To measure body fat
b. To measure muscle mass
c. To determine arm circumference
d. To determine accuracy of weight measurement
ANS: A
Measurement of skin-fold thickness is an indicator of body fat. Arm circumference is an indirect measure of muscle mass. The accuracy of weight measurement should be verified with a properly balanced scale. Body fat is just one indicator of weight.
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