Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Nutrition > exam 3 > Flashcards

exam 3 Flashcards

1
Q

A coenzyme can best be defined as:

A

a compound that binds to a protein and is required for its function or activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which is not a water-soluble vitamin?

A

Vitamin E

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or false? Vitamin A plays a role in vision health

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or false? Vitamin K helps bone growth and maintenance.

A

False; vitamin K helps form blood clots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

True or false? Vitamin D must be hydroxylated in liver in kidney to be biologically active.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or false? Vitamin K deficiency can cause hemorrhage.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or false? Water-soluble vitamins present a relatively low level of toxicity.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or false? Pellagra is a deficiency symptom of niacin.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or false? Hypothalamic acid deficiency is widespread therefore proper supplementation is necessary.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Obesity can be defined as:

A

presence of excess body fat; a BMI greater than or equal to 30 kg/m2; waist circumference greater than 35 inches for men and 40 inches for women

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Definition of energy

A

capacity to do work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

definition of calorie

A

energy required to raise 1g of water by 1 degree C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Sue works a desk job, commutes to work, parks close to the building, and watches TV with her family in the evening. At 165 pounds, she expends about 2,000 calories per day. Her average calorie intake is around 2,150 calories per day. Sue is in:

A

positive energy balance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which vitamin is scurvy a major deficiency symptom of?

A

Vitamin C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Vitamin-like compound classified as an essential nutrient

A

Choline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Deficiency of vitamin B12 and folate results in:

A

megaloblastic anemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is pellagra characterized by?

A

dermatitis, diarrhea, and dementia

18
Q

Symptoms of ariboflavinosis

A

cracks and redness of the lips and corners of the mouth; swelling of the mouth and sore throat

19
Q

Deficiency disease associated with B-vitamin thiamine is:

A

Beriberi

20
Q

Wernicke-Korsakoff syndrome

A

causes severe neurological disturbances

21
Q

function of vitamin K

A

needed for synthesis of proteins for blood clotting

22
Q

Which population is at risk for vitamin D deficiency?

A

People with darker skin

23
Q

Risks of vitamin D deficiency

A

rickets, osteomalacia, cancer, autoimmune disease, type 2 diabetes, cardiovascular disease

24
Q

Functions of vitamin D

A

acts as a hormone and helps bone growth and maintenance

25
Q

Hypervitaminosis A (vitamin A toxicity)

A

usually results from excess supplementation; weakness or defects in bones, night blindness, permanent blindness, impaired immunity, rough, dry, or scaly skin, keratinization

26
Q

visual pigment of retinal and protein opsin

A

rhodopsin

27
Q

what happens when light strikes rhodopsin?

A

retinal changes its shape

28
Q

functions of vitamin A

A

vision; functions as hormone in: cell development, immune function, growth, bone health, reproduction

29
Q

Which form of vitamin A presents better bioavailability?

A

foods like salmon, animal products and fortified foods

30
Q

has vitamin activity after conversion to active form in the body

A

provitamin

31
Q

already in an active form in foods

A

preformed vitamin A

32
Q

Fat soluble vitamins

A

A, D, E, and K

33
Q

Water soluble vitamins

A

B vitamins, choline, and vitamin C

34
Q

degree to which nutrients can be absorbed and used by the body

A

bioavailability

35
Q

BMI can be best described as

A

an estimate using a person’s height and weight

36
Q

True or false? BMI can distinguish between excess fat and muscle and bone mass

A

false

37
Q

3 main components of total energy expenditure (TEE)

A

basal metabolism, thermic effect of food (TEF), and activity energy expenditure (AEE)

38
Q

What is the largest component of TEE?

A

basal metabolism

39
Q

Hormone that is produced in the stomach and stimulates hunger:

A

ghrelin

40
Q

Hormone that is produced by adipose tissue and suppresses hunger:

A

leptin

Nutrition (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions