Nutrition Section 1 Practice Test

What effect do foods with a high glycemic index have on the body?

Decrease insulin No effect on insulin Increase insulin Stabilize blood glucose

Correct Answer:

Increase insulin

Explanation:

Foods with a high glycemic index cause a rapid rise in blood glucose after you eat them. That quick spike signals the pancreas to release more insulin, the hormone that helps glucose move from the bloodstream into cells for energy or storage. So the body responds with an increase in insulin after a high‑GI meal. This contrast with lower‑GI foods, which cause slower, smaller glucose and insulin changes. The rapid insulin rise is why high‑GI foods can lead to sharper fluctuations in blood sugar and insulin levels.

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