Fat Soluble Vitamins

Question 1

What is Vitamin D’s overall function in the body?

Answer 1

To increase Calcium

Question 2

Where does Vitamin D act?

Answer 2

1) Distal renal tubule
2) Duodenum
3) Destroys Bone

Question 3

What does Vitamin D do at the Distal Renal Tubule?

Answer 3

Increases absorption of calcium

Question 4

What does Vitamin D do at the duodenum?

Answer 4

Increases resorption of calcium

Question 5

What does Vitamin D activate?

Answer 5

Osteoclasts

Question 6

Which form of Vitamin D is stored/inactive?

Answer 6

25-OH-D3

Question 7

Which form of Vitamin D is active?

Answer 7

1,25(OH2)-D3

Question 8

Where is 25-OH-D3 found?

Answer 8

Liver

Question 9

Where is 1,25(OH2)-D3 found?

Answer 9

Kidney

Question 10

What does a Vitamin D deficiency in children cause?

Answer 10

Rickets

Question 11

What does a Vitamin D deficiency in adults cause?

Answer 11

Osteomalacia

Question 12

What clinical symptom does Vitamin D deficiency cause?

Answer 12

Bowing of the legs

Question 13

Vitamin A is an:

Answer 13

Antioxidant

Question 14

Vitamin A’s antioxidant abilities allow it to be used as treatment for:

Answer 14

1) Measles
2) Retinitis Pigmentosa

Question 15

Vitamin A deficiency causes:

Answer 15

Night blindness

Question 16

Why does Vitamin A deficiency cause night blindness?

Answer 16

Because Vitamin A helps with the ability to see light.

Question 17

Vitamin A causes what to activate?

Answer 17

Epithelial cell differentiation

Question 18

What happens if you take too much Vitamin A?

Answer 18

1) Alopecia
2) Abnormal birth defects

Question 19

What is Vitamin K used to form?

Answer 19

Clotting factors

Question 20

Which clotting factors does Vitamin K help form?

Answer 20

1) Factors 2,7,9,10
2) Proteins C and S

Question 21

Which drug inhibits Vitamin K’s ability to make clotting factors?

Answer 21

Warfarin

Question 22

Vitamin K is mostly found in:

Answer 22

Green/leafy vegetables

Question 23

Vitamin K is a co-factor of:

Answer 23

Gamma-carboxylation

Question 24

Vitamin K is usually made by:

Answer 24

Gut flora

Question 25

Newborns generally need which Vitamin supplement?

Answer 25

Vitamin K

Question 26

Newborns who did not receive a Vitamin K supplement may have problems with:

Answer 26

Gamma carboxylation

Question 27

Vitamin E is an:

Answer 27

Antioxidant

Question 28

Which 2 Vitamins are antioxidants?

Answer 28

1) Vitamin A
2) Vitamin E

Question 29

What are the functions of Vitamin E?

Answer 29

Prevents the peroxidation of fatty acids

Question 30

Vitamin E guards against:

Answer 30

Arteriosclerosis