Answer:A
A way of ranking foods according to their potential to increase blood glucose.
Explanation:Glycemic index is a scale that arranges in order the amount of carbohydrates in different foods(ranging from 0 - 100) that shows how fast a food can shoot up the blood glucose level in a person.
Foods with very high glycemic index can cause a dangerous increase in the sugar levels of a person with diabetes. It can also lead to obesity since excess sugar are converted to fat.
Foods with low glycemic index have carbohydrate of 55 or less.
Example:sweet potato, carrot, legumes, lentils, oat meal etc.
Foods with medium glycemic index have carbohydrate of 56 -69.
Foods with high glycemic index have carbohydrate of over 70.
Example:cornflakes,melon, pineapple,processed foods.