During Exercise Epinephrine and Glucagon Levels Are Elevated and Insulin

question 91

Multiple Choice

During exercise epinephrine and glucagon levels are elevated and insulin levels are depressed. Under these conditions, which enzyme should be activated?

• A) glycogen synthase
• B) fatty acid synthase
• C) hormone-sensitive lipase
• D) acetyl CoA carboxylase
• E) ATP-citrate lyase

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Definitions:

Energy

The capacity to do work, which in biological systems is derived from the chemical energy stored in foods or from sunlight in photosynthetic organisms.

Muscles

Tissues in the body that can contract, enabling movement and support of bodily functions.

Capillaries

Small, thin-walled blood vessels that connect arteries and veins, where oxygen, nutrients, and wastes are exchanged between the blood and tissues.

Oxygen-Deficient Blood

Blood that carries less oxygen than normal, often as a result of respiratory or circulatory problems.