chapter 24

Question 1

Which of the following is NOT a major nutrient?

Answer 1

minerals

Question 2

glucose

Answer 2

exclusive energy source for neurons

Question 3

cholesterol

Answer 3

serves as a precursor to hormones and maintains the fluidity of the plasma membrane

Question 4

protein

Answer 4

used to build enzymes

Question 5

vitamins

Answer 5

can function as coenzymes

Question 6

mineral

Answer 6

may be incorporated into structures to make them stronger

Question 7

A person who is starving is likely to exhibit __________.

Answer 7

negative nitrogen balance

Question 8

Fat-soluble vitamins can be toxic if consumed in large quantities.

Answer 8

True

Question 9

Which of the following is an example of catabolism?

Answer 9

cellular respiration

Question 10

A substance that is reduced has lost an electron.

Answer 10

false

Question 11

Which of the following is NOT a characteristic of glycolysis?

Answer 11

Glycolysis is an aerobic process

Question 12

Which of the following is a characteristic of the Krebs cycle?

Answer 12

The Krebs cycle generates a rich supply of the reduced coenzymes, NADH and FADH2.

Question 13

The final electron acceptor in the electron transport chain is __________.

Answer 13

oxygen

Question 14

glycogenesis

Answer 14

the formation of glycogen to store glucose

Question 15

glycogenolysis

Answer 15

the cleavage of glycogen to release glucose

Question 16

gluconeogenesis

Answer 16

the process of forming glucose from noncarbohydrate molecules

Question 17

beta oxidation

Answer 17

the start phase of fatty acid breakdown

Question 18

lipogenesis

Answer 18

triglyceride synthesis

Question 19

As proteins are broken down for energy, __________ is generated; the liver then converts this potentially toxic intermediate into __________.

Answer 19

ammonia; urea

Question 20

In the absorptive state, __________.

Answer 20

insulin serves as the main regulatory hormone

Question 21

In the postabsorptive state, __________.

Answer 21

glycogen is broken down to release glucose

Question 22

__________ is considered “good” cholesterol; high blood levels of this cholesterol are thought to be beneficial.

Answer 22

HDLs

Question 23

Which of the following is considered a long-term regulator of feeding behavior?

Answer 23

leptin levels

Question 24

The body’s overall rate of energy output is called the basal metabolic rate.

Answer 24

False

Question 25

Which of the following would raise body temperature?

Answer 25

thyroxine