Ch. 10

Question 1

what is the primary role of the b-vitamins

Answer 1

act as coenzymes

Question 2

the first b-vitamins discovered was

Answer 2

thiamin

Question 3

chromium assists in _____ uptake

Answer 3

glucose

Question 4

what is false about thiamin

Answer 4

it is often toxic when consumed in excess

Question 5

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

Answer 5

beriberi

Question 6

what is a good source of thiamin

Answer 6

whole and enriched cereals and grains

Question 7

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

Answer 7

thiamin

Question 8

which of these nutrients is destroyed by exposure to light

Answer 8

riboflavin

Question 9

what is not a sympton of pellagra

Answer 9

dizziness

Question 10

which vitamin can be made from the amino acid tryptophan

Answer 10

niacin

Question 11

what is the primary symptom of niacin toxicity

Answer 11

flushing

Question 12

what is transamination

Answer 12

a key process in the creation of nonessential amino acids

Question 13

Pellagra is the deficiency disease associated with ____

Answer 13

niacin

Question 14

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

Answer 14

corn

Question 15

Good sources of riboflavin include _____

Answer 15

milk, meats, and green vegetables

Question 16

The primary sources of folate in the american diet are _____

Answer 16

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

Question 17

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

Answer 17

folate is needed for proper cell division

Question 18

folate deficiency during pregnancy is associated with

Answer 18

pellagra

Question 19

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

Answer 19

vitamin b12

Question 20

vitamin b12 is essential for the proper functioning of ____ cells

Answer 20

nerve

Question 21

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

Answer 21

heart disease

Question 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 _____

Answer 22

iron-deficiency anemia

Question 23

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

Answer 23

vitamin b12

Question 24

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

Answer 24

vitamin b6

Question 25

the chronic overconsumption of _____ can result in a biotin deficiency

Answer 25

raw egg whites

Question 26

is choline a vitamin

Answer 26

no

Question 27

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

Answer 27

cretinism

Question 28

Iodine is essential for the synthesis of _____ hormones

Answer 28

thyroid

Question 29

a goiter can result from _____

Answer 29

too much or too little iodine in the diet

Question 30

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

Answer 30

erythrocytes

Question 31

prothrombin and factor VII are _____

Answer 31

proteins that are involved in the coagulation of blood

Question 32

what is not a good source of vitamin K

Answer 32

exposure to sunlight

Question 33

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

Answer 33

a 30 year old with crohn’s disease

Question 34

vitamin k deficiencies are rare because

Answer 34

intestinal bacteria produce vitamin k

Question 35

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

Answer 35

myogloin

Question 36

the meat factor is

Answer 36

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

Question 37

what is not a common storage site for iron

Answer 37

kidneys

Question 38

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

Answer 38

vitamin K

Question 39

what will impair iron absorption

Answer 39

low amounts of stomach acid

Question 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.

Answer 40

drinking a glass of milk with his iron supplement

Question 41

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

Answer 41

ferritin

Question 42

what is associated with increased absorption of zinc

Answer 42

growth

Question 43

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

Answer 43

iron

Question 44

what mineral increases insulin’s effectiveness in cells

Answer 44

chromium

Question 45

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

Answer 45

iodized table salt

Question 46

a deficiency of _____ is the most common deficiency worldwide

Answer 46

iron