Ch 4 - Exercise Metabolism and Bioenergetics

Question 1

During glycolysis, in the presence of oxygen, pyruvic acid is converted into which important molecule in metabolism?

Answer 1

Acetyl coenzyme A

Question 2

Which term refers to the assistance of amino acids in energy production during periods of starvation?

Answer 2

Gluconeogenesis

Question 3

Which of the following energy systems is used most when running a 10-second sprint?

Answer 3

ATP-PC

Question 4

Which is true of glycogen?

Answer 4

It is a complex carbohydrate that can be rapidly broken down into glucose.

Question 5

A client runs a mile in 6 min and 30 seconds. Which of the following energy systems is the client primarily using to produce energy?

Answer 5

Oxidative

Question 6

How does metabolism behave during EPOC?

Answer 6

Remains elevated

Question 7

Which of the following energy pathways is used for activities lasting between 30 and 50 seconds?

Answer 7

Glycolysis

Question 8

When an exercise is high intensity and lasts about 10 seconds, which of the following energy pathways is predominantly in use?

Answer 8

ATP-PC

Question 9

What is an example/scenario when energy would be mostly derived from anaerobic metabolism?

Answer 9

When an athlete begins an activity

Question 10

What usually happens after 90 minutes of exercise?

Answer 10

The majority of muscle glycogen stores are depleted.

Question 11

or which activity is the oxidative system primarily used?

Answer 11

Jogging for 30 minutes