McGraw-Hill Online Learning Center Test

1. Review the image and answer the following questions.

How does exercise reduce the amount of stored body fat?

A. Insulin secretion increases, causing cells to store energy.
B. Glucagon secretion increases, mobilizing stored energy.
C. Insulin secretion decreases, and body fat is consumed.
D. Both insulin and glucagon secretions increase, each mobilizing a different source of energy.

2. What is the effect of the secretion of insulin after a meal?

A. Insulin causes cells to take up glucose, thus reducing blood glucose levels that tend to increase after a meal.
B. Insulin causes the body to release energy from stored fat until food can be digested.
C. Lowered insulin secretion results from a reflex initiated by the presence of food in the stomach.
D. Increased insulin causes bones to store calcium after a meal.

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