Ch. 6 Vitamins

Question 1

Organic, dietary substance not producing energy

Answer 1

vitamin

Question 2

Fat-soluble vitamins include vitamins ___, __,___,___ and are associated with _____, are easily ______

Answer 2

A,D,E,K
lipids
stored

Question 3

One vitamin cannot substitute for another ______

Answer 3

vitamin

Question 4

Water soluble vitamins are vitamin ___ and the ___ complex. These vitamins are more easily absorbed and transported, but cannot be ____ unlike fat soluble vitamins

Answer 4

C
B
stored

Question 5

Preformed vitamin A (retinol)

Answer 5

• natural form of vitamin A

- found only in animal foods

Question 6

Vitamin A is stored mainly in the ______ and contains up to ___ percent of the bodys total supply

Answer 6

liver

80 percent

Question 7

The ability of the eye to adapt to changes in light depends on the light sensitive pigment ________, and is made up of the vitamin ___ molecule.

Answer 7

rhodospin

A

Question 8

When vitamin A is lacking, the _____ becomes increasingly sensitive to changes in light, causing _____ ______. The condition is reversed with a injection of vitamin A ______

Answer 8

retina
night blindness
retinol

Question 9

Vitamin A ______ is converted to ______ and then ______

Answer 9

retinol
retinal
rhodospin

Question 10

Vitamin ___ is essential for the growth of bones and soft tissues

Answer 10

Vitamin A

Question 11

Poor vitamin A status lowers resistance to _______

Answer 11

infections

Question 12

A high intake of alcohol results in loss of vitamin ___ from the _____

Answer 12

Vitamin A

liver

Question 13

-Liver
-milk
-cheese
-butter
-egg yolk
-fish
are examples of

Answer 13

preformed vitamin A

Question 14

Non animal products containing vitamin A

Answer 14

margarine
cereal
vegetables and fruits

Question 15

Vitamin D is absorbed where?

Answer 15

small intestines

Question 16

_______ are more available to the body from cooked than from raw vegetables

Answer 16

Carotenoids

Question 17

Vitamin D is really a ______, not a vitamin

Answer 17

prohormone

Question 18

-control of calcium and phosphorus levels in bone and blood

• in endocrine system
• parathyroid hormone, calcitonin

Answer 18

vitamin D

Question 19

Bone disease, osteoporosis is caused by vitamin __ deficiency

Answer 19

D

Question 20

• Yeast
• fish liver oils and fatty fish
• small amount in egg yolk

are natural food sources of vitamin _

Answer 20

Vitamin D

Question 21

• Milk
• margarine
• yogurt and cereal
• some juices

are foods in which vitamin __ is added to

Answer 21

Vitamin D

Question 22

Vitamin ___ is nature’s most potent antioxidant, yet supplements do not protect against chronic disease.

Answer 22

vitamin E

Question 23

Premature infants are given vitamin ___ supplements at birth to prevent loss of red blood cells, hemolytic anemia.

Answer 23

vitamin E

Question 24

-Peanut butter, nuts, certain vegetables and fruits, especially tomatoes, are sources of vitamin ___

Answer 24

vitamin E

Question 25

Vitamin __ functions are blood clotting

Answer 25

vitamin K

Question 26

Deficiency of vitamin __ causes hemorrhagic disease called scurvy

Answer 26

vitamin C deficiency

Question 27

Most animals can make this vitamin, excess is excreted in urine, promotes wound healing, is water soluble

Answer 27

vitamin C