Question

Briggs weighs 198 pounds and has an average basal metabolic rate of 1.0 kilocalorie per kilogram per hour. What is his estimated daily basal metabolic rate?

Multiple Choice

1944 kcal


1045 kcal


2160 kcal


17820 kcal

Answer 1

To calculate Briggs' estimated daily basal metabolic rate (BMR), we first need to convert his weight from pounds to kilograms. The conversion factor is:

1 pound = 0.453592 kilograms.

1. Convert Briggs' weight to kilograms:

\[
198 \text{ pounds} \times 0.453592 \text{ kg/pound} \approx 89.811 \text{ kg}
\]

2. Now, we can use his average BMR of 1.0 kilocalorie per kilogram per hour to find his hourly BMR:

\[
\text{Hourly BMR} = 89.811 \text{ kg} \times 1.0 \text{ kcal/kg/hr} \approx 89.811 \text{ kcal/hr}
\]

3. To find the daily BMR, we multiply the hourly BMR by the number of hours in a day (24):

\[
\text{Daily BMR} = 89.811 \text{ kcal/hr} \times 24 \text{ hr/day} \approx 2154.5 \text{ kcal/day}
\]

Rounding it gives approximately 2155 kcal.

Among the choices given, the closest option is:

**2160 kcal**.