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Flashcards in Ch. 10 Deck (46):
1

what is the primary role of the b-vitamins

act as coenzymes

2

the first b-vitamins discovered was

thiamin

3

chromium assists in _____ uptake

glucose

4

what is false about thiamin

it is often toxic when consumed in excess

5

a person suffering from fatigue, muscle wasting, and nerve Andaman is likely suffering from what deficiency disease

beriberi

6

what is a good source of thiamin

whole and enriched cereals and grains

7

Wernicke-Korsakoff syndrome is associated with the decreased absorption and utilization of

thiamin

8

which of these nutrients is destroyed by exposure to light

riboflavin

9

what is not a sympton of pellagra

dizziness

10

which vitamin can be made from the amino acid tryptophan

niacin

11

what is the primary symptom of niacin toxicity

flushing

12

what is transamination

a key process in the creation of nonessential amino acids

13

Pellagra is the deficiency disease associated with ____

niacin

14

Pellagra was first seen in populations where the dietary staple was _____

corn

15

Good sources of riboflavin include _____

milk, meats, and green vegetables

16

The primary sources of folate in the american diet are _____

enriched ready-to-eat cereals, bread, and grain products

17

why is folate critical to the health of a newly conceived embryo

folate is needed for proper cell division

18

folate deficiency during pregnancy is associated with

pellagra

19

a toxicity of folate can disguise a true deficiency of _____, resulting in nerve damage

vitamin b12

20

vitamin b12 is essential for the proper functioning of ____ cells

nerve

21

high concentration of homocysteine in the blood are associated with the development of _____

heart disease

22

a person exhibiting symptoms of impaired work performance, general fatigue, pale skin, depressed immune function, impaired cognitive and nerve function, and impaired memory is likely suffering from _____

iron-deficiency anemia

23

consumption of high levels of folate supplements can mask a _____ deficiency

vitamin b12

24

a deficiency of _____ has been associated with convulsions and dermatitis in infants

vitamin b6

25

the chronic overconsumption of _____ can result in a biotin deficiency

raw egg whites

26

is choline a vitamin

no

27

a lack of dietary iodine during pregnancy is the primary cause of _____ worldwide

cretinism

28

Iodine is essential for the synthesis of _____ hormones

thyroid

29

a goiter can result from _____

too much or too little iodine in the diet

30

which component of the blood is essential in transporting oxygen to body cells

erythrocytes

31

prothrombin and factor VII are _____

proteins that are involved in the coagulation of blood

32

what is not a good source of vitamin K

exposure to sunlight

33

what kind of individual would be at risk for a vitamin K deficiency

a 30 year old with crohn's disease

34

vitamin k deficiencies are rare because

intestinal bacteria produce vitamin k

35

the iron carrying protein that assists in the transport of oxygen into muscle cells is

myogloin

36

the meat factor is

a special quality found in meat, poultry, and fish that enhances iron absorption

37

what is not a common storage site for iron

kidneys

38

Celine visited her doctor to complain about a cut that bled a lot before it clotted. What deficiency might cause the bleeding?

vitamin K

39

what will impair iron absorption

low amounts of stomach acid

40

Bob's physician has just diagnosed him with iron-deficiency anemia. What would not be good advice for Bob to utilize more dietary iron.

drinking a glass of milk with his iron supplement

41

insufficient intake of iron will first affect the body's _____ levels

ferritin

42

what is associated with increased absorption of zinc

growth

43

which mineral's absorption is enhanced greatly by vitamin c?

iron

44

what mineral increases insulin's effectiveness in cells

chromium

45

the major dietary source of iodine in the typical american's diet is

iodized table salt

46

a deficiency of _____ is the most common deficiency worldwide

iron