   Chapter 4, Problem 8RQ

Chapter
Section
Textbook Problem

The next two questions refer to this situation:Assume a woman with a singleton pregnancy weighed 154 pounds prior to pregnancy and is 5′7″ tall.8.    _____ What was her prepregnancy BMI? a. 24.1 kg/m2 b. 33.2 kg/m2 c. 19.7 kg/m2 d. 45 kg/m2

Summary Introduction

Introduction:

Body mass index is based on a person’s weight with respect to his/her height. It is an indicator of obesity in an individual. An increased BMI is a characteristic of an overweight individual, and decreased BMI is associated with underweight. 18.5-24.9 kg/m2 is considered as a normal BMI.

Explanation

Reasons for the correct answer:

Body mass index is calculated by dividing the weight of the person (in kilograms) by the square of height (in meters).

Weight=154 pounds=69.3 kg

Height=57=1.7m

The BMI is calculated as follows:

BMI=Weight(Height)2=69.3(1.7)2=69

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