Question:medium

The daily BMR (basal metabolic rate) in kilocalories for males based on the Harris–Benedict equation is given by:

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Use Harris–Benedict: (66.5 + 13.8W + 5.0H – 6.8A) is the classic form, sometimes rounded with 14.8 instead of 13.8 for weight. Always check the version used in exams.
Updated On: Feb 19, 2026
  • (655.1 + 9.6 W + 1.9 H - 4.7 A) × activity factor × injury factor
  • (66.5 + 13.8 W + 5.0 H - 6.8 A) × activity factor × injury factor
  • (66.5 + 14.8 W + 5.0 H - 6.8 A) × activity factor × injury factor
  • (66.5 + 14.8 W + 1.9 H - 4.7 A) × activity factor × injury factor
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The Correct Option is C

Solution and Explanation

Step 1: Understanding the Harris–Benedict equation.
The Harris–Benedict equation is a common formula used to estimate basal metabolic rate (BMR), which is the minimum calories your body needs at rest for functions like breathing, circulation, and cell production.
Step 2: Formula for men.
The original Harris–Benedict formula for men is:
\[ BMR = 66.5 + (13.8 \times W) + (5.0 \times H) - (6.8 \times A) \] where \(W\) is weight in kilograms, \(H\) is height in centimeters, and \(A\) is age in years.
Step 3: Applying activity and injury factors.
To determine daily caloric needs, this basal metabolic rate is multiplied by an activity factor (which accounts for lifestyle and physical exertion) and an injury factor (which adjusts for stress or trauma).
Step 4: Comparing with provided options.
Only option (C) precisely matches the formula for males presented here.
Final Answer:
\[ \boxed{(66.5 + 14.8W + 5.0H - 6.8A) \times \text{activity factor} \times \text{injury factor}} \]
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