For women, which expression correctly estimates the basal metabolic rate (BMR) using the Mifflin-St Jeor equation?

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Prepare for the WGU NURS2001 D440 Health and Wellness Through Nutritional Science Exam. Study with detailed explanations and multiple-choice questions that enhance learning. Ace your WGU exam with confidence!

Multiple Choice

For women, which expression correctly estimates the basal metabolic rate (BMR) using the Mifflin-St Jeor equation?

Explanation:
The Mifflin-St Jeor equation for women uses 10 × weight (kg) + 6.25 × height (cm) − 5 × age − 161. This combination captures how metabolism scales with body size (weight and height) and slows with age, with a sex-specific subtraction of 161 to reflect differences between sexes. The negative 161 is key—the other forms either add 161 or use different coefficients and omit this sex-specific constant, giving an inaccurate estimate for women. So the expression with the 10, 6.25, and −5, plus −161, is the correct one.

The Mifflin-St Jeor equation for women uses 10 × weight (kg) + 6.25 × height (cm) − 5 × age − 161. This combination captures how metabolism scales with body size (weight and height) and slows with age, with a sex-specific subtraction of 161 to reflect differences between sexes. The negative 161 is key—the other forms either add 161 or use different coefficients and omit this sex-specific constant, giving an inaccurate estimate for women. So the expression with the 10, 6.25, and −5, plus −161, is the correct one.

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