4.2 Water Soluble Vitamins Part 2

Question 1

What is niacin?

Answer 1

coenzyme used for the release of energy from carbohydrates, protein, and fats

Question 2

What are the two forms of niacin?

Answer 2

nicotinic
nicotinamide

Question 3

What can the body synthesize niacin from?

Answer 3

amino acid tryptophan

Question 4

What are sources of niacin?

Answer 4

meat
enriched cereals
poultry
fish
nuts
peanuts

Question 5

What is pellagra?

Answer 5

niacin deficiency

Question 6

What are the symptoms of pellagra?

Answer 6

dementia
diarrhea
dermatitis
death

Question 7

Who is at risk for pellagra?

Answer 7

undeveloped countries
alcoholics
individuals with metabolism disorder

Question 8

What is a result of niacin toxicity?

Answer 8

flushing = increased blood flow to the skin

Question 9

What can large doses of niacin be used to treat?

Answer 9

high blood cholesterol levels

Question 10

What is pantothenic acid?

Answer 10

component of coenzyme A important in fatty acid production and release of energy from the energy yielding nutrients

Question 11

What are sources of pantothenic acid?

Answer 11

chicken
pork
fish
egg yolks
yogurt
legumes
avocado
sweet potatoes

Question 12

What is biotin?

Answer 12

aids in the production of glucose and fatty acids, DNA synthesis, and amino acid metabolismW

Question 13

What are the food sources of biotin?

Answer 13

cauliflower
liver
peanuts
cheese
egg yolks

Question 14

What is avidin?

Answer 14

protein found in egg whites that prevents the absorption of biotin

Question 15

What is pyridoxine?

Answer 15

plays a key role in protein and amino acid metabolism

Question 16

What does pyridoxine enable the cell to do?

Answer 16

make nonessential amino acids by removing the nitrogen groups from certain amino acids

Question 17

What is pyridoxine used to synthesize?

Answer 17

white blood cells
hemoglobin
neurotransmitter

Question 18

What are the three forms of pyridoxine?

Answer 18

pyridoxine
pyridoxal
pyridoxamine

Question 19

What can a deficiency of pyridoxine lead to?

Answer 19

convulsions
microtyc hypochromic anemia

Question 20

What are sources of pyridoxine?

Answer 20

animal and plant sources though animal sources have higher bioavailability