Tomas is a 24-year-old male trying to calculate his protein needs. The Food and Nutrition Board recommends that 10% to 35% of calories come from protein. If Tomas follows a 2,300-kcal diet, how many grams of protein per day should he be consuming?

Question

BlackTom AI · Accepted Answer

To determine Tomas's daily protein requirement from a 2,300-kcal diet using the recommended 10%–35% of calories from protein, we convert calories from protein to grams.
First, calculate the lower bound: 10% of 2,300 kcal = 0.10 × 2,300 = 230 kcal. Since each gram of protein provides about 4 kcal, 230 kcal ÷ 4 kcal/g = 57.5 g of protein per day.
Next, calculate the upper bound: 35% of 2,300 kcal = 0.35 × 2,300 = 805 kcal. Converting to grams: 805 kcal ÷ 4 kcal/g = 201.25 g of protein per day.
Therefore, the target range is approximately 57.5–201.25 g per day, often rounded to 58–201 g per day for practical purposes.
Option by option:
Option 1: "23 to 81 grams of protein per day". This range corresponds to a much smaller percentage of calories from protein (roughly 4–14%), which is inconsistent with the 10%–35% guideline and would underrepresent needs at the lower end.
Option 2: "26 to 89 grams of protein per day". This range still sits well below the calculated lower bound (about 58 g) for a 2,300 kcal diet, misaligning with the official 10% minimum.
Option 3: "58 to 201 grams of protein per day". This exactly matches the rounded lower and upper bounds derived from 10%–35% of 2,300 kcal, making it the correct range for Tomas’s protein intake.
Option 4: "230 to 805 grams of protein per day". This option multiplies the kcal by 10–35% but then misinterprets the conversion, as it uses the kcal values directly as grams without dividing by 4 kcal/g, resulting in an unrealistically large amount of protein.
In summary, the correct interpretation lies in converting the calorie percentages to grams using the 4 kcal per gram rule, yielding 58–201 g/day, which matches Option 3, while the other options reflect common mistakes in unit conversion or misapplication of the percentage range.

Tomas is a 24-year-old male trying to calculate his protein needs. The Food and Nutrition Board recommends that 10% to 35% of calories come from protein. If Tomas follows a 2,300-kcal diet, how many grams of protein per day should he be consuming?

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Tomas is a 24-year-old male trying to calculate his protein needs. The Food and Nutrition Board recommends that 10% to 35% of calories come from protein. If Tomas follows a 2,300-kcal diet, how many grams of protein per day should he be consuming?

View Explanation

Log in for full answers

Similar Questions

Imagine you are the sports nutritionist for college athletes. Assuming desirable body weight, what is the minimum level of daily protein intake you would recommend for your clients?

For athletes aiming for weight loss, what is the recommended daily protein intake to preserve muscle mass?

Approximately how much more protein does an older individual need than a younger person?

Application-Level Multiple-Choice Items​ Which of the following would have the highest protein DRI per unit of body weight?​

Post-surgical or critical patients require approximately:

The average protein requirement for a healthy adult is:

More Practical Tools for Students Powered by AI Study Helper

Making Your Study Simpler

Application-Level Multiple-Choice Items Which of the following would have the highest protein DRI per unit of body weight?