Vitamins

Question 1

What vitamin in Biotin?

Answer 1

Vitamin H

Question 2

What is Vitamin C used for

Answer 2

COllagen formation, bile formation, caecholamines, iron absorption

Question 3

WHat are B vitamins coenzymes for?

Answer 3

Glycolysis, TCA, HMP, Lipid metabolism

Question 4

What is vitamin B1 (Thiamin) vital to?

Answer 4

Erythrocytes for HMP shunt

Question 5

What causes BeriBeri?

Answer 5

Deficiency in B1 (Thiamin)

Question 6

What causes PEP (star gazers) in ruminants?

Answer 6

Thiamin (B1) deficiency

Question 7

What causes PEM?

Answer 7

High grain diet contains Thiaminases that break down thiamin

Question 8

What is Riboflavin (B2) used for?

Answer 8

FAD reactions

Lipid metabolism

Glycerol Phosphate Shuttle

Question 9

Does deficiency of Riboflavin cause death?

Answer 9

No, but can cause cataracts

Question 10

What is Niacin (B3) used for?

Answer 10

All metabolic pathways
NADH precursor molecule
Component of electron carriers

Question 11

Signs of niacin deficiecy

Answer 11

Dermatitis, Diarrhea, Dementia

Question 12

What excess amino acid results in niacin deficiency

Answer 12

Leucine

Question 13

What is Pantothenic acid (B5) used for?

Answer 13

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

Question 14

What is pyroxidine (B6) used for?

Answer 14

Participates in 1000+ reactions (mostly transamination)

Question 15

What is Biotin (vitamin H) used for?

Answer 15

Linked to protein
Carboxylation reactions (Pyruvate to OAA, Malnoyl CoA to Acetyl CoA)

Question 16

Signs of biotin deficiency

Answer 16

Dermatitis, hair loss, muscle weakness

Question 17

What is cobalamin (B12) used for?

Answer 17

TCA cycle

Gluconeogenesis

Question 18

What is Folic Acid (B9) used for?

Answer 18

Amino Acid metabolism

Neural tube development

Question 19

What is Vitamin A used for?

Answer 19

Vision, reproduction, bone remodeling

Question 20

Vitamin A signs of deficiency

Answer 20

Keratinization of epithelial tissue (eyeballs)

Question 21

What is the only vitamin that is a hormone?

Answer 21

Vitamin D

Question 22

What is vitamin D used for?

Answer 22

Hormone, Bone growth, serum calcium levels

Question 23

Vitamin D signs of deficiency

Answer 23

Poor bone mineralization, rickets

Question 24

Can vitamin D be synthesized by mammalian tissue?

Answer 24

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

Question 25

What is vitamin E used for?

Answer 25

Nerve/muscle development

Antioxidant

Question 26

Signs of Vitamin E deficiency

Answer 26

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

Question 27

What is vitamin K used for?

Answer 27

BLood clotting

Question 28

Signs of vitamin K deficiency

Answer 28

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

Question 29

What is a side effect of Warfarin poisoning?

Answer 29

Rat poisoning

Prevents blood clotting by destroying vitamin K

Question 30

What is an effect of dicoumarol poisoing?

Answer 30

Found in spoiled sweet clover
causes
Fatal hemorrhages

Question 31

What fat soluble vitamin has shortest half life?

Answer 31

Vitamin K

Question 32

WHere is the majority of vitamin K sotreD?

Answer 32

Liver

Question 33

Properties of co-enzyme?

Answer 33

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

Question 34

What animal doesn’t need vitamin C in diet?

Answer 34

Rats

Question 35

WHat can a deficiency of cobalamin or folic acid cause?

Answer 35

Megaloblastic anemia

Question 36

WHo should take folic acid supplements

Answer 36

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

Question 37

What vitamins are needed for bone growth

Answer 37

Vitamin A, Vitamin D