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Human Nutrition > Lecture 10: Water-soluble vitamins > Flashcards

Lecture 10: Water-soluble vitamins Flashcards

1
Q

vitamin deficiency associated with scurvy

A

Vit. C

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2
Q

What vitamin keeps collagen fibres together

A

Vit. C

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3
Q

Coenzyme in collagen

A

Vit. C

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4
Q

Vit. C function

A

collagen fibers, hormone & neurotransmitter synthesis

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5
Q

Vitamin deficiency associated with Beriberi

A

Thiamin (B1)

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6
Q

Water-soluble vitamins responsible for nerve functions

A

Thiamin (B1), B12

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7
Q

Water-soluble vitamins responsible for amino acid metabolism

A

Folate, Vit. B6 (Pyridoxine)

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8
Q

Water-soluble vitamins responsible for neurotransmitter synthesis

A

Vit. C, Vit. B6 (Pyridoxine), Thiamin (B1)

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9
Q

Coenzyme in energy & lipid metabolism

A

Riboflavin (B2)

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10
Q

Coenzyme in energy & glucose metabolism

A

Thiamin (B1)

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11
Q

Coenzyme in energy metabolism & lipid synthesis/breakdown

A

Niacin (B3)

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12
Q

Coenzyme in amino acid & protein metabolism

A

Vit. B6

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13
Q

Coenzyme in amino acid metabolism & DNA synthesis

A

Folate/Folic Acid (B9)

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14
Q

Coenzyme in folate & homocysteine metabolism

A

B12

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15
Q

Active form of Folate (B9)

A

Folic acid

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16
Q

Vitamin required to activate folate

A

Vit. B12

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17
Q

Relations between HCL & B12

A

HCL activates enzymes that release B12 from proteins

18
Q

3 main water-soluble vitamins essential for cardiovascular health

A

Vit. B12, folate, B6

19
Q

high levels of ____ is linked to cardiovascular health

A

homocysteine

20
Q

Water-soluble deficiency associated with inflammation of the mouth

A

Riboflavin (B2)

21
Q

Vitamin deficiency associated with Pellagra

A

Niacin (B3)

22
Q

Vitamin deficiency associated with neurological systems, convulsions, headaches

A

Vit. B6 (Pyridoxine)

23
Q

Vitamin deficiency associated with microcytic anemia & neural tube defects

A

Folate/Folic acid (B9)

24
Q

Vitamin deficiency associated with macrocytic anemia and pernicious anemia

A

B12

25
Q

Vitamins that regulate homocysteine

A

B12, Folate, B6

26
Q

elevated homocysteine risks

A

dementia, heart disease, stroke

27
Q

Which nutrient deficiency can cause anemia?
A) Iron
B) Folate
C) Vit. B6
D) Vit. B12
E) All of the above

A

E)

28
Q

List the B vitamins

A

Thiamin (B1)
Riboflavin (B2)
Niacin (B3)
Biotin
Pantothenic acid
Vit. B6
Folate
Vit. B12

29
Q

Vitamin toxicity that masks B12 deficiency

A

Folate

30
Q

Vitamin toxicity that causes numbness, nerve damage

A

Vit. B6 (Pyridoxine)

31
Q

Vitamin toxicity that can cause flushing, nausea, rash, tingling

A

Niacin

32
Q

Vitamin toxicity that can cause GI distress, diarrhea

A

Vit. C

33
Q

Water-soluble vitamins without reported toxicity

A

Thiamin (B1), Riboflavin (B2) Vit. B12

34
Q

Supplement that can prevent microcytic anemia but hide vit. B12 deficiency

A

Folic acid

35
Q

required for B12 absorption

A

Intrinsic factor

36
Q

Macrocytic/Megaloblastic anemia characteristic

A

red blood cells become large and can’t divide resulting from inadequate folate

37
Q

Riboflavin (B2) function and deficiency

A

-coenzyme in lipid and energy metabolism
-inflammation of the mouth

38
Q

Thiamin (B1) function and deficiency

A

-Coenzyme in glucose and energy metabolism, neurotransmitter synthesis, nerve functions
-Berberi

39
Q

Niacin (B3)

A

-coenzyme in energy metabolism and lipid synthesis
-Pellagra

40
Q

B6 (Pyridoxine)

A

-coenzyme in protein and amino acid metabolism, neurotransmitter and hemoglobin synthesis
-neurological symptoms, anemia

41
Q

Folate/Folic acid (B9) function and deficiency

A

-coenzyme in DNA synthesis and amino acid metabolism
-macrocytic anemia, neural tube defects

42
Q

B12 function and deficiency

A

-coenzyme in folate and homocysteine metabolism, nerve function
-pernicious anemia, macrocytic anemia, nerve functions

Human Nutrition (15 decks)

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