Vitamin E

Question 1

T/F spinach and kale are good dietary sources of both vitamin E and vitamin K

Answer 1

True

Question 2

T/F the 8 different forms of vitamin E are all absorbed and transported into circulation

Answer 2

False

Question 3

T/F humans can become vitamin E deficient if they have fat-malabsorption

Answer 3

True

Question 4

what are the 8 different forms of vitamin E?

Answer 4

Alpha T
Beta T
Gamma T
Delta T
Alpha T3
Beta T3
Gamma T3
Delta T3

Question 5

T/F most cyanobacteria are able to synthesize vitamins E

Answer 5

False, only some can

Question 6

T/F plants are able to synthesize vitamins E

Answer 6

True

Question 7

what is the predominant form of vitamin E in non-photosynthetic tissues?

a. a-tocopherol
b. y-tocotrienol
c. b-tocopherol
d. y-tocopherol

Answer 7

d

Question 8

what is the predominant form of vitamin E in green plants?

a. a-tocotrienol
b. b-tocotrienol
c. a-tocopherol
d. b-tocopherol

Answer 8

c

Question 9

what is the main form vitamin E takes in the human body?

a. a-tocopherol
b. b-tocopherol
c. y-tocopherol
d. p-tocopherol

Answer 9

a

Question 10

T/F Abetalipoproteinemia is a genetic disorder related to the bioavailability of vitamin C

Answer 10

False, vitamin E, A, D or K

Question 11

a-TTP disfunctions are likely a result from which decreased vitamins bioavailability?

a. Vitamin A
b. Vitamin E
c. Vitamin K
d. Vitamin D3

Answer 11

b

Question 12

T/F humans can become vitamin E deficient if they have a disturbance in lipoprotein metabolism

Answer 12

True

Question 13

Where is vitamin E primarily stored?

a. Liver
b. Adipose tissue
c. Nowhere
d. Pancreas

Answer 13

c

Question 14

All of these symptoms can result from vitamin E deficiency EXCEPT?

a. muscle pain and weakness
b. Vision problems
c. Nausea/vomiting
d. Weak immune system
e. Chronic diarrhea
f. Numbness
g. Walking difficulties
h. Tiredness
i. Skin problems and hair loss

Answer 14

c

Question 15

All of these symptoms can result from vitamin E toxicity EXCEPT?

a. Nausea
b. Diarrhea
c. Hemorrhages
d. Dry mouth
e. Flatulence

Answer 15

d

Question 16

What is vitamin Cs role in its interaction with vitamin E?

a. aids with the excretion of vitamin E by inducing SCM
b. recycles oxidized a-tocopherol back to its reduced state
c. when taken together, vitamin C increases absorption of vitamin E
d. vitamin C inhibits the transport of vitamin E into cells and is taken as a supplement for vitamin E toxicity

Answer 16

b

Question 17

Why should you eat a fatty meal with vitamin E intake?

Answer 17

efficiency of absorption increases depending on how much fat is ingested

Question 18

Higher concentrations of what would reduce the effects of lower concentrations of vitamin E?

a. beta-carotene
b. selenium
c. potassium
d. sodium

Answer 18

b

Question 19

why should you avoid taking a vitamin E supplement while taking antiplatelets, anticoagulants, NSAIDs, or aspirin?

Answer 19

Vitamin E increases risk of bleeding by inhibiting k-dependent carboxylase

Question 20

What is the relationship between cholesterol-lowering medications and vitamin E?

Answer 20

cholesterol-lowering medications interfere with fat absorption which may decrease absorption of vitamin E

Question 21

Anticonvulsant drugs may:

a. increase absorption of vitamin E
b. lower plasma vitamin E concentrations
c. increase excretion of vitamin E
d. cause adverse effects if combined with a vitamin E supplement

Answer 21

b

Question 22

which of the following can vitamin E treat? (multiple answers)

a. Cataracts
b. Muscle damage
c. Fatty liver disease
d. Type 2 diabetes
e. visual impairment
f. age-related macular degeneration

Answer 22

a,c,d,f