Vitamins Flashcards

1
Q

What vitamin in Biotin?

A

Vitamin H

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is Vitamin C used for

A

COllagen formation, bile formation, caecholamines, iron absorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

WHat are B vitamins coenzymes for?

A

Glycolysis, TCA, HMP, Lipid metabolism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is vitamin B1 (Thiamin) vital to?

A

Erythrocytes for HMP shunt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What causes BeriBeri?

A

Deficiency in B1 (Thiamin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What causes PEP (star gazers) in ruminants?

A

Thiamin (B1) deficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What causes PEM?

A

High grain diet contains Thiaminases that break down thiamin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is Riboflavin (B2) used for?

A

FAD reactions

Lipid metabolism

Glycerol Phosphate Shuttle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Does deficiency of Riboflavin cause death?

A

No, but can cause cataracts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is Niacin (B3) used for?

A

All metabolic pathways
NADH precursor molecule
Component of electron carriers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Signs of niacin deficiecy

A

Dermatitis, Diarrhea, Dementia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What excess amino acid results in niacin deficiency

A

Leucine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is Pantothenic acid (B5) used for?

A

GRowth
Part of Co-enzyme A
Formation of citrate
Activation of fatty acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is pyroxidine (B6) used for?

A

Participates in 1000+ reactions (mostly transamination)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is Biotin (vitamin H) used for?

A
Linked to protein
Carboxylation reactions (Pyruvate to OAA, Malnoyl CoA to Acetyl CoA)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Signs of biotin deficiency

A

Dermatitis, hair loss, muscle weakness

17
Q

What is cobalamin (B12) used for?

A

TCA cycle

Gluconeogenesis

18
Q

What is Folic Acid (B9) used for?

A

Amino Acid metabolism

Neural tube development

19
Q

What is Vitamin A used for?

A

Vision, reproduction, bone remodeling

20
Q

Vitamin A signs of deficiency

A

Keratinization of epithelial tissue (eyeballs)

21
Q

What is the only vitamin that is a hormone?

A

Vitamin D

22
Q

What is vitamin D used for?

A

Hormone, Bone growth, serum calcium levels

23
Q

Vitamin D signs of deficiency

A

Poor bone mineralization, rickets

24
Q

Can vitamin D be synthesized by mammalian tissue?

A

Yes but needs UV light to reach a high enoguh amount synthesized

25
Q

What is vitamin E used for?

A

Nerve/muscle development

Antioxidant

26
Q

Signs of Vitamin E deficiency

A

Fragile RBCs
Sperm immobility
Muscular degenration due to large Ca influx (white muscle disease)

27
Q

What is vitamin K used for?

A

BLood clotting

28
Q

Signs of vitamin K deficiency

A

Steatorrhea (excess fat in feces), may lead to heart problems

29
Q

What is a side effect of Warfarin poisoning?

A

Rat poisoning

Prevents blood clotting by destroying vitamin K

30
Q

What is an effect of dicoumarol poisoing?

A

Found in spoiled sweet clover
causes
Fatal hemorrhages

31
Q

What fat soluble vitamin has shortest half life?

A

Vitamin K

32
Q

WHere is the majority of vitamin K sotreD?

A

Liver

33
Q

Properties of co-enzyme?

A

Low molecular weght, not a protein, chemically altered, recycled

34
Q

What animal doesn’t need vitamin C in diet?

A

Rats

35
Q

WHat can a deficiency of cobalamin or folic acid cause?

A

Megaloblastic anemia

36
Q

WHo should take folic acid supplements

A

Pregnant people,leukemia patients, s=those on sulfa drugs

37
Q

What vitamins are needed for bone growth

A

Vitamin A, Vitamin D