Diet Macronutrients

Question 1

How many calories does one gram of carbohydrate provide?

Accepted Answer

4 calories

Answer

Carbohydrates provide 4 calories per gram, the same as protein.

Question 2

Which macronutrient is the body's preferred primary source of energy?

Accepted Answer

Carbohydrates

Answer

Carbohydrates are the body's preferred and most readily used source of energy, especially for the brain and muscles.

Question 3

How many calories does one gram of fat provide?

Accepted Answer

9 calories

Answer

Fat is the most calorie-dense macronutrient, providing 9 calories per gram.

Question 4

What percentage of total daily calories is generally recommended to come from protein for a healthy adult?

Accepted Answer

10–35%

Answer

The Acceptable Macronutrient Distribution Range (AMDR) for protein is 10–35% of total daily calories.

Question 5

Which type of carbohydrate is digested most slowly and helps regulate blood sugar?

Accepted Answer

Complex carbohydrates

Answer

Complex carbohydrates contain long chains of glucose that digest slowly, providing sustained energy and stabilizing blood sugar.

Diet Practice Test