fat soluble vitamins done

Question 1

what are the fat soluble vitamins

Answer 1

Vitamins A, D, E and K are fat-

Question 2

Fat-soluble vitamins require _____ and ______ for
absorption.

Answer 2

bile and dietary fat

Question 3

Once absorbed fat soluble vitamins, are transported with fats through
the lymphatic system in ___________before entering
the blood.

Answer 3

chylomicrons

Question 4

Fat-soluble vitamins can be stored in body fat, meaning
that intakes can vary without a risk of ______ (as
long as there are average intakes over time).

Answer 4

deficiency

Question 5

Because they can be stored in body fat, fat-soluble
vitamins are not easily ______ This increases the risk
of toxicity with high intakes.

Answer 5

excreted.

Question 6

what vitamin plays a key role in night vision, cell
differentiation and growth regulation.

Answer 6

vitamin A

Question 7

Preformed vitamin A compounds are known as
_______.

Answer 7

retinoids

Question 8

Plants contain precursors to vitamin A known as
_________.

Answer 8

carotenoids

Question 9

Vitamin A is found preformed, from animal products
or supplements, or in _______ form, from plant
foods, in the diet.

Answer 9

precursor

Question 10

what foods have lots of vitamin A?

Answer 10

beef liver!! carrots

Question 11

vitamin D is Absorbed in the small intestine and
transported via _________
n Fat malabsorption impairs vitamin D
absorption

Answer 11

chylomicrons

Question 11

80% of vitamin D consumed is
incorporated into _________

Answer 11

micelles

Question 12

why is there no RDA of vitamin D?

Answer 12

there are too many variations in sunlight exposure but there is an AI

Question 13

what is the AI of vitamin D?

Answer 13

q 5 μg/d (200 IU/d) for adults under age 51
q 10-15 μg/d (400 - 600 IU/d) for older adults

Question 14

n _____ _______individuals can produce enough
vitamin D to meet the AI from casual sun
exposure

Answer 14

Light skinned

Question 15

Infants are born with vitamin D, but AAP
recommends supplementing breastfed
infants with _ μg (200 IU)/d until weaned to fortified infant formula

Answer 15

5

Question 16

When vitamin D is deficient, dietary ______
cannot be absorbed efficiently and there can be
improper bone mineralization and abnormalities
in bone structure

Answer 16

calcium

Question 17

_______—vitamin D deficiency in children

Answer 17

Rickets

Question 18

Oversupplementation of vitamin D can result in
high blood and urine _______concentrations,
depositing of calcium in blood vessels and
kidneys, cardiovascular damage and possibly
death

Answer 18

calcium

Question 19

____________—vitamin D deficiency in adults

Answer 19

Osteomalacia

Question 20

where do you get vitamin D in the diet?

Answer 20

salmon, milk, eggs

Question 21

______ _______ is the form of vitamin E
absorbed by the human body.

Answer 21

Alpha-tocopherol

Question 22

what is the chemical name for vitamin E

Answer 22

tocopherol

Question 23

n Vitamin E deficiency in newborns might
result in ______ _______

Answer 23

hemolytic anemia

Question 24

vitamin E in the diet?

Answer 24

sunflower seeds, almonds, soybean oil

Question 25

Vitamin K was named for koagulation, the Danish word for ______.

Answer 25

coagulation

Question 26

__________ is Vitamin K in plants

Answer 26

Phylloquinone

Question 27

________ is Vitamin K in animals and formed by bacteria

Answer 27

Menaquinone

Question 28

what is the major symptom of vitamin K deficiency?

Answer 28

abnormal blood coagulation

Question 29

T or false. vitamin K deficiencies are common in the US.

Answer 29

FALSE they are rare

Question 30

Up to 80% of dietary vitamin K is absorbed in ___________

Answer 30

small intestine

Question 31

~10% of menaquinones synthesized by intestinal bacteria is absorbed in colon n Incorporated into chylomicrons and delivered to liver via lymphatic system n Stored in the liver and incorporated into lipoproteins n Excretion is primarily via _____

Answer 31

bile

Question 32

what can cause a vitamin K deficiency?

Answer 32

Antibiotics q Destroy intestinal bacteria q Inhibit vitamin K synthesis and absorption q Potential for excessive bleeding

Question 33

what two vitamins interfere with vitamin K absorption??

Answer 33

vitamin A and E

Question 34

Where do newborns get vitamin k?

Answer 34

they have to be injected, breast milk is a poor source

Question 35

where in the diet do you get vitamin K?

Answer 35

mustard greens, brussel sprouts, kiwi

Question 36

look at last slides?