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Flashcards in Biochem - Nutrition Deck (168)
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1

Calcium homeostasis is associated with which fat-soluble vitamin?

Vitamin D

2

Clotting factor synthesis depends on which fat-soluble vitamin?

Vitamin K

3

Which fat-soluble vitamin acts as an antioxidant?

Vitamin E

4

Which groups of vitamins are water soluble?

B vitamins and vitamin C

5

Is vitamin C fat soluble or water soluble?

Water soluble

6

Is thiamine fat soluble or water soluble?

Water soluble

7

Is riboflavin fat soluble or water soluble?

Water soluble

8

Is pantothenic acid fat soluble or water soluble?

Water soluble

9

Is cobalamin fat soluble or water soluble?

Water soluble

10

Are pyridoxine, pyridoxal, and pyridoxamine fat soluble or water soluble?

Water soluble

11

Is ascorbic acid fat soluble or water soluble?

Water soluble

12

Deficiency of which two water-soluble vitamins can cause macrocytic anemia?

Folate and B12

13

Which water-soluble vitamin is associated with collagen synthesis?

Vitamin C (ascorbic acid)

14

Name two vitamins that serve as antioxidants.

Vitamin E and vitamin C

15

Name the four fat-soluble vitamins.

A, D, E, and K

16

True or False? The absorption of fat-soluble vitamins depends on the pancreas as well as the gastrointestinal tract.

True; pancreatic lipases are necessary for absorption of fat-soluble vitamins

17

Is accumulation of fat- or water-soluble vitamins more likely to cause toxicity?

Fat

18

Name two malabsorption syndromes that can cause fat-soluble vitamin deficiencies.

Cystic fibrosis and sprue

19

Are the B-complex vitamins fat soluble or water soluble?

Water soluble

20

All of the water-soluble vitamins easily wash out from the body, except for which two?

Vitamin B12 and folate

21

In which organ is folate stored?

The liver

22

B-complex deficiencies often result in what three conditions?

Dermatitis, glossitis, and diarrhea

23

What is another name for vitamin A?

Retinol (remember Retinol is Vitamin-A, so think Retin-A)

24

What are the signs and symptoms of vitamin A deficiency?

Night blindness and dry skin

25

Vitamin A is a constituent of what visual pigment?

Retinal

26

What are the symptoms associated with vitamin A intoxication?

Arthralgias, fatigue, headaches, skin changes, sore throat, and alopecia

27

A man has recently been eating large amounts of liver. He presents with fatigue, hair loss, headache, and joint pains. What is your diagnosis?

Vitamin A excess

28

What foods contain high amounts of vitamin A?

Vitamin A is found in liver, and in leafy vegetables

29

Name two topical uses of vitamin A.

It can be used topically for wrinkles and for acne

30

What are the effects of taking large amounts of vitamin A during pregnancy?

It is a teratogen, and causes cleft palate and cardiac abnormalities