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Flashcards in chapter 24 Deck (25)
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1
Q

Which of the following is NOT a major nutrient?

A

minerals

2
Q

glucose

A

exclusive energy source for neurons

3
Q

cholesterol

A

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

4
Q

protein

A

used to build enzymes

5
Q

vitamins

A

can function as coenzymes

6
Q

mineral

A

may be incorporated into structures to make them stronger

7
Q

A person who is starving is likely to exhibit __________.

A

negative nitrogen balance

8
Q

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

A

True

9
Q

Which of the following is an example of catabolism?

A

cellular respiration

10
Q

A substance that is reduced has lost an electron.

A

false

11
Q

Which of the following is NOT a characteristic of glycolysis?

A

Glycolysis is an aerobic process

12
Q

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

A

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

13
Q

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

A

oxygen

14
Q

glycogenesis

A

the formation of glycogen to store glucose

15
Q

glycogenolysis

A

the cleavage of glycogen to release glucose

16
Q

gluconeogenesis

A

the process of forming glucose from noncarbohydrate molecules

17
Q

beta oxidation

A

the start phase of fatty acid breakdown

18
Q

lipogenesis

A

triglyceride synthesis

19
Q

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

A

ammonia; urea

20
Q

In the absorptive state, __________.

A

insulin serves as the main regulatory hormone

21
Q

In the postabsorptive state, __________.

A

glycogen is broken down to release glucose

22
Q

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

A

HDLs

23
Q

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

A

leptin levels

24
Q

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

A

False

25
Q

Which of the following would raise body temperature?

A

thyroxine