ISSA Nutritionist Practice Exam

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Study for the ISSA Nutritionist Exam with our comprehensive quiz. Featuring multiple choice questions, hints, and detailed explanations, you'll prepare effectively for your certification!

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Which formula is widely used to predict an individual's resting metabolic rate (RMR)?

Mifflin-St. Jeor Equation
Harris-Benedict Formula
Schofield Equation
Cunningham Equation

The correct answer is: Harris-Benedict Formula

The Mifflin-St. Jeor Equation is widely recognized and utilized for predicting an individual's resting metabolic rate (RMR). This formula is favored because it offers a more accurate estimation compared to older methods like the Harris-Benedict Formula. Specifically, the Mifflin-St. Jeor Equation takes into account a person's weight, height, age, and sex, allowing for a tailored assessment of metabolic needs. While the Harris-Benedict Formula has historically been used for calculating basal metabolic rate (BMR), it is considered less reliable than the Mifflin-St. Jeor Equation in contemporary practice. Other formulas, such as the Schofield Equation and the Cunningham Equation, also exist for estimating energy expenditure, but they cater to different contexts and populations. Therefore, the Mifflin-St. Jeor Equation remains the most recommended choice within the field of nutrition and metabolic assessments.