010-111 · Question #141
If your active client consumed 2100 kilocalories each day for one week and burned off 2600 kilocalories each day for that same week, how much weight would your client lose that particular week, assumi
The correct answer is C. 1 pound. A daily caloric deficit of 500 kcal (2600 burned minus 2100 consumed) sustained over 7 days produces a 3,500 kcal deficit, which equals approximately 1 pound of fat loss.
Question
If your active client consumed 2100 kilocalories each day for one week and burned off 2600 kilocalories each day for that same week, how much weight would your client lose that particular week, assuming normal hydration?
Options
- A0 pounds
- B?pound
- C1 pound
- D2 pounds
How the community answered
(34 responses)- A3% (1)
- B12% (4)
- C79% (27)
- D6% (2)
Why each option
A daily caloric deficit of 500 kcal (2600 burned minus 2100 consumed) sustained over 7 days produces a 3,500 kcal deficit, which equals approximately 1 pound of fat loss.
A deficit of 0 pounds would require caloric intake to equal caloric expenditure, but there is a clear 500 kcal/day deficit here.
A half-pound loss would require only a 1,750 kcal weekly deficit, not the 3,500 kcal deficit present in this scenario.
One pound of body fat is approximately 3,500 kilocalories. A deficit of 500 kcal per day (2600 - 2100) multiplied by 7 days equals exactly 3,500 kcal, which corresponds to 1 pound of weight loss under normal hydration conditions.
A 2-pound loss would require a 7,000 kcal weekly deficit, which would need a 1,000 kcal/day deficit, not the 500 kcal/day deficit described.
Concept tested: Caloric deficit and weekly weight loss calculation
Source: https://www.nasm.org/resources/calorie-deficit
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