Ch 8- Water Soluble Vitamins

Question 1

What factors affect the bioavailability of vitamins?[3]

Answer 1

• Past diet & overall nutrition lvl
• Other food eaten at same time
• How food is prepared
•

Question 2

Function of antioxidant

Answer 2

Repair cell damage and neutralize free radicals

Question 4

What is a provitamin?

Answer 4

Inactive form of vitamin that body must convert to its active form

Question 5

Enrichment meaning

Answer 5

Restoring nutrients lost due to processing

Question 6

What is fortification?

Answer 6

Adding nutrients not originally present in a food

Question 7

What is the function of Choline? [3]

Answer 7

Acetylcholine synthesis
cell membrane function
lipid transport

Question 8

What can vit c deficiency cause

Answer 8

Scurvy

Question 9

What is a good source of Cobalamin (B12)

Answer 9

Animal products and fortified foods

Question 10

What is the function of Folate (B9

Answer 10

DNA synthesis and neural tube development

Question 11

What is Pyridoxine (B6) converted into?

Answer 11

Pyridoxal phosphate

Question 12

What is Pantothenic Acid a part of?

Answer 12

Coenzyme a

Question 13

Function of biotin

Answer 13

Coenzyme in citric acid cycle and glucose synthesis

Question 14

What deficiency can result from a lack of Niacin (B3)?

Answer 14

Pellagra (4 D’s: Dermatitis, diarrhea, dementia, death)

Question 15

What are good sources of Riboflavin (B2)?

Answer 15

Dairy, red meat, and fish

Question 16

What is the function of Thiamin (B1)? [3]

Answer 16

Coenzyme for glucose breakdown,
RNA/DNA synthesis,
and nerve function

Question 17

What is the function of antioxidants?
◦
a) To provide energy
◦
b) To damage cells
◦
c) To repair damage and neutralize free radicals
◦
d) To synthesize DNA

Answer 17

C

Question 18

Which vitamin is important for nerve function?
◦
a) Vitamin C
◦
b) Thiamin (B1)
◦
c) Folate (B9)
◦
d) Biotin

Answer 18

B

Question 19

What is a free radical?
◦
a) A stable molecule
◦
b) An unstable molecule that can damage cells
◦
c) An antioxidant
◦
d) A type of vitamin

Answer 19

B

Question 20

Which vitamin is part of coenzyme A?
◦
a) Biotin
◦
b) Pantothenic Acid
◦
c) Pyridoxine (B6)
◦
d) Folate (B9)
◦
Answer: b) Pantothenic Acid

Answer 20

B

Question 21

What is bioavailability?
◦
a) How much energy a nutrient provides
◦
b) How well a nutrient tastes
◦
c) How much of a nutrient the body can absorb and use
◦
d) How long a nutrient lasts in the body

Answer 21

C

Question 22

Which of the following is a symptom of Vitamin B12 deficiency?
◦
a) Scurvy
◦
b) Beriberi
◦
c) Pernicious anemia
◦
d) Pellagra

Answer 22

C

Question 23

Which vitamin can be synthesized from tryptophan?
◦
a) Thiamin (B1)
◦
b) Riboflavin (B2)
◦
c) Niacin (B3)
◦
d) Biotin

Answer 23

C

Question 24

Which of these is a function of Vitamin C?
◦
a) Energy metabolism
◦
b) Collagen synthesis
◦
c) DNA synthesis
◦
d) Red blood cell formation

Answer 24

B

Question 25

Which vitamin is essential for maintaining the myelin coat on nerves? ◦ a) Folate (B9) ◦ b) Vitamin C ◦ c) Vitamin B12 (Cobalamin) ◦ d) Thiamin (B1)

Answer 25

C

Question 26

What is the purpose of fortifying foods? ◦ a) To restore nutrients lost in processing ◦ b) To add nutrients not originally present ◦ c) To decrease the cost of food production ◦ d) To make food taste better

Answer 26

B

Question 27

Which vitamin is a coenzyme for glucose breakdown? ◦ a) Riboflavin (B2) ◦ b) Niacin (B3) ◦ c) Thiamin (B1) ◦ d) Cobalamin (B12)

Answer 27

C

Question 28

Which vitamin is crucial for neural tube development during pregnancy? ◦ a) Vitamin B6 ◦ b) Folate (B9) ◦ c) Vitamin B12 ◦ d) Vitamin C

Answer 28

B

Question 29

What can a deficiency in Vitamin C lead to? ◦ a) Beriberi ◦ b) Pellagra ◦ c) Scurvy ◦ d) Anemia

Answer 29

C

Question 30

Which vitamin is sensitive to light and heat? ◦ a) Thiamin (B1) ◦ b) Riboflavin (B2) ◦ c) Niacin (B3) ◦ d) Cobalamin (B12)

Answer 30

B

Question 31

Which of the following is NOT a characteristic of vitamins? ◦ a) Organic ◦ b) Micronutrient ◦ c) Provides energy ◦ d) Essential

Answer 31

C

Question 32

Water soluble vitamins need ___ to be absorbed

Answer 32

special transport molecules

Question 33

Vegans need to supplement ___

Answer 33

Vit b12

Question 34

__ regulate mood, sleep, body temp, digestion

Answer 34

Serotonin

Question 35

__ repair damage & neutralize free radicals

Answer 35

Antioxidants

Question 36

__ are unstable molecules that can damage DNA, PROTEIN, CELLS

Answer 36

Free radical

Question 37

__ is needed for synthesis of neutrans acetylcholine

Answer 37

Choline

Question 38

___ is needed to create and maintain collagen

Answer 38

Vit c

Question 39

Vitamin C act as an ___

Answer 39

Antioxidant

Question 40

__ important for atp production from fatty acids and maintain the myeline coat on nerves

Answer 40

Vit b12 (cobalamin)

Question 41

Since food fortification in Canada, __ defects have decreased by 50%

Answer 41

neural tube

Question 42

___ important for DNA synthesis, amino acid metabolism, and neural tube development

Answer 42

Folate (b9)

Question 43

___ is involved in amino acid and protein metabolism, neurotransmitter synthesis, and hemoglobin formation

Answer 43

Pyridoxine (B6)

Question 44

Pantothenic acid is part of ___ and is part of carrier protein for cholesterol and fatty acid synthesis

Answer 44

Coenzyme A

Question 45

__ functions as a coenzyme in the __ cycle and glucose synthesis

Answer 45

Biotin Citric acid

Question 46

Niacin b3 can be made from the amino acid ___ if the diet provides enough

Answer 46

Tryptophan

Question 47

__ helps with energy production, supports ATP production, acts as an ___, and activates vitamins

Answer 47

Riboflavin (b2) Antioxidant

Question 48

__ function as coenzyme for glucose breakdown and is needed for nerve function

Answer 48

Thiamin (B1)

Question 49

__ are avail from food in an inactive form and must be transformed into active vitamins

Answer 49

Provitamins

Question 50

The bioavailability of vitamins refers to how much of a nutrient the body can __ and __

Answer 50

Absorb Use

Question 51

__ needed for the absorption of fat-soluble vitamins

Answer 51

Bile

Question 52

Dark-skinned individuals, smokers, and alcohol users may benefit from ___ supplements

Answer 52

Vit c

Question 53

. ___ is adding nutrients not originally present in a food, while __ is restoring nutrients lost during processing

Answer 53

Fortification Enrichment

Question 54

Water-soluble vitamins are easily __ and __ and are __ typically stored in tissues

Answer 54

Absorbed Excreted Not

Question 55

__ are __ micronutrients that are __ and obtained from the diet

Answer 55

Vitamins Organic Essential