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Flashcards in chapter 24 Deck (25):
1

Which of the following is NOT a major nutrient?

minerals

2

glucose

exclusive energy source for neurons

3

cholesterol

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

4

protein

used to build enzymes

5

vitamins

can function as coenzymes

6

mineral

may be incorporated into structures to make them stronger

7

A person who is starving is likely to exhibit __________.

negative nitrogen balance

8

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

True

9

Which of the following is an example of catabolism?

cellular respiration

10

A substance that is reduced has lost an electron.

false

11

Which of the following is NOT a characteristic of glycolysis?

Glycolysis is an aerobic process

12

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

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

13

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

oxygen

14

glycogenesis

the formation of glycogen to store glucose

15

glycogenolysis

the cleavage of glycogen to release glucose

16

gluconeogenesis

the process of forming glucose from noncarbohydrate molecules

17

beta oxidation

the start phase of fatty acid breakdown

18

lipogenesis

triglyceride synthesis

19

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

ammonia; urea

20

In the absorptive state, __________.

insulin serves as the main regulatory hormone

21

In the postabsorptive state, __________.

glycogen is broken down to release glucose

22

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

HDLs

23

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

leptin levels

24

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

False

25

Which of the following would raise body temperature?

thyroxine