What does the glycemic index measure? select one:
a. how much a food affects blood sugar levels
b. the amount of saturated fats in dairy products
c. the amount of sugar in fruit
d. the caloric content of proteins
e. the amount of fiber in whole grains?

A. How much a food affects blood sugar levels.
You s~ the glycemic index, or GI, measures how a carbohydrate-containing food raises blood glucose.
Foods are ranked based on how they compare to a reference food — either glucose or white bread. A food with a high GI raises blood glucose much more than a food with a medium or low GI...

The answer is observations and interpreting.