Calculate the number of kcals that are in a food that has the following:

carbohydrate (CHO) – 15 grams; protein – 8 grams; and fat -- 10 grams.

Question

Calculate the number of kcals that are in a food that has the following:

carbohydrate (CHO) – 15 grams;  protein – 8  grams;  and fat -- 10 grams.

BlackTom AI · Accepted Answer

We start by breaking down the energy contributions: carbohydrates provide 4 kcal per gram, protein provides 4 kcal per gram, and fat provides 9 kcal per gram.

Option A: 182
- Calculate each component: CHO: 15 g × 4 kcal/g = 60 kcal; Protein: 8 g × 4 kcal/g = 32 kcal; Fat: 10 g × 9 kcal/g = 90 kcal. Sum = 60 + 32 + 90 = 182 kcal. This option matches the total derived from the standard energy values.

Option B: 240
- This would require a higher total than the computed value. If we check possible sums, a larger fat contribution or higher carbohydrate/protein would be needed. Given the provided grams, 240 kcal is not achievable.

Option C: 222
- While closer than 240, 222 would necessitate an extra 40 kcal beyond the 182 calculated. Since fat already accounts for 90 kcal, there is no miscalculation in the fat portion to generate exactly 222 with the given grams.

Option D: 132
- This is notably lower than the computed total of 182. It would imply subtracting 50 kcal somewhere or using incorrect energy Values per gram, which does not align with standard macronutrient energy yields.

In summary, the only option that aligns with the standard energy equivalents for CHO (4 kcal/g), protein (4 kcal/g), and fat (9 kcal/g) given the amounts provided is the total of 182 kcal.

Calculate the number of kcals that are in a food that has the following: carbohydrate (CHO) – 15 grams; protein – 8 grams; and fat -- 10 grams.单项选择题

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