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PCM 2020 Final > Vitamins and their duties > Flashcards

Vitamins and their duties Flashcards

1
Q

What are other names for Vitamin A?

A

Retinal, Retinol, retinoid acid

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2
Q

What are other names for vitamin D?

A

Cholecalciferol, ergocalciferol

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3
Q

What are other names for Vitamin E?

A

Tocopherols

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4
Q

What are other names for vitamin K?

A

2-methyl-1,4-napthoquinone (3) derivatives

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5
Q

What is the metabolic role of vitamin A

A

Vision

Retinoid acid is in control of embryonic development, maintenance of the epithelia, cell growth, proliferation, and differentiation

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6
Q

What is the metabolic role of vitamin D

A

Bone metabolism and calcium homeostasis

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7
Q

What is the metabolic role of vitamin E

A

ROS; scavenger

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8
Q

What is the metabolic role of vitamin K

A

Blood clotting

Factors II, VII, IX, X

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9
Q

What are other names for vitamin B1

A

Thiamine

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10
Q

What are other names for vitamin B2

A

Riboflavin

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11
Q

What are other names for vitamin B3

A

Niacin

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12
Q

What are other names for vitamin B6

A

Pyridoxine

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13
Q

What are other names for vitamin B9

A

Folic acid

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14
Q

What are other names for vitamin B12

A

Cobalamin

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15
Q

What are other names for vitamin C

A

Ascorbic Acid

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16
Q

What is the metabolic role of vitamin B1

A

carbohydrate metabolism, amino acid metabolism

17
Q

What is the metabolic role of vitamin B2

A

Oxidoreductases, FMN ,FAD

18
Q

What is the metabolic role of vitamin B3

A

Oxidoreductases, NAD, NADP

19
Q

What is the metabolic role of vitamin B6

A

Carbohydrate, lipid and amino acid metabolism, synthesis of neurotransmitters, sphingolipids, and heme

20
Q

What is the metabolic role of vitamin B9

A

One carbon transfer reactions, choline synthesis of amino acids, synthesis of purines and pyrimidine

21
Q

What is the metabolic role of vitamin B12

A

Heme structure folate recycling

22
Q

What is the role of vitamin C

A

Antioxidant function, collagen synthesis, bile acid synthesis, neurotransmitter synthesis

23
Q

What is the metabolic role of calcium?

A

Muscle contraction, cell transport, bone metabolism

24
Q

What is the metabolic role of iron?

A

Hemoglobin, myoglobin, and cytochromes a, b, and c

25
Q

What are the epithelial functions of vitamin A?

A

Proliferation of basal cells

Hyperkeratosis

Formation of stratified cornfield squamous epithelium

26
Q

What are the sources of vitamin A?

A 
Milk 
Fish oil 
Liver 
Eggs 
Carrots 
Squash 
Greens
27
Q

This deficiency is worse in patients with fat malabsorption

A

Vitamin A deficiency

28
Q

What is the role of vitamin C?

A

Antioxidant and a free radical scavenger

used in bile acid synthesis, collagen, NE

29
Q

What are the symptoms of a vitamin C deficiency?

A

fatigue
depression
CT abnormalities

30
Q

What are the sources of vitamin C?

A

Fruits and veggies

PCM 2020 Final (9 decks)

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