SubstratesCarbohydrate serves as fuel for ATP productiona. during short-duration, high-intensity exerciseb. after many hours of low-intensity exercisec. during periods of starvationd. during severe caloric restrictionO0000

Answered: Substrates Carbohydrate serves as fuel…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

Substrates
Carbohydrate serves as fuel for ATP production
a. during short-duration, high-intensity exercise
b. after many hours of low-intensity exercise
c. during periods of starvation
d. during severe caloric restriction
O0000

Expert Solution

Introduction

During the resting conditions, the body uses energy from the oxidation of carbohydrates and fats. The major source of energy for skeletal muscles are blood glucose, plasma-free fatty acids, and glycogen and triglycerides stored in muscles. At rest, carbohydrate ingestion increases the insulin levels in the blood. This induces the transfer and storage of glucose in the muscles as glycogen. Increased insulin levels in the blood also prevent the release of fatty acids from the adipose tissue and promote the storage of fat by activating lipoprotein lipases.