TEST #4 Vitamins German 12/2/16 Flashcards

(59 cards)

1
Q

Are vitamins organic or inorganic?

A

-Organic

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2
Q

What are vitamins essential to humans for?

A

-metabolic and cellular function

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3
Q

Can vitamins be produced in sufficient quantities within the body?

A

-No

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4
Q

How many essential vitamins are there?

A

13

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5
Q

What are four fat soluble vitamins?

A
  • Vitamin A
  • Vitamin D
  • Vitamin E
  • Vitamin K
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6
Q

What are the 13 essential vitamins?

A
  • Vit A
  • Vit B1
  • Vit B2
  • Vit B3
  • Vit B5
  • Vit B6
  • Vit B7
  • Vit B9
  • Vit B12
  • Vit C
  • Vit D
  • Vit E
  • Vit K
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7
Q

What type of vitamin has fatty acyl chains and are ingested as esters?

A

-Fat-soluble

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8
Q

What type of vitamin requires cholesterol and are integrated into micelles?

A

-Fat soluble

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9
Q

What type of vitamin are you more likely to have chronic and subacute toxicity?

A

-Fat soluble

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10
Q

What vitamin is folic acid?

A

-Vitamin B9

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11
Q

What vitamins have acute toxicity?

A

-Vit B3, B6, and C

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12
Q

What vitamin is retinol, retinal, carotenoids?

A

-Vit A

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13
Q

What vitamin is pantothenic acid?

A

-Vit B5

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14
Q

What vitamin is Riboflavin?

A

-Vit B2

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15
Q

What vitamin is thiamine?

A

-Vit B1

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16
Q

What vitamin is Niacin?

A

-Vit B3

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17
Q

What vitamin is Pyridoxine?

A

-Vit B6

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18
Q

What vitamin is Cyanocobalamin?

A

-Vit B12

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19
Q

What is the general function of Vitamin A?

A
  • Required for normal vision,
  • adaptive immunity,
  • bone growth,
  • cell membrane stability
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20
Q

What vitamin is taken in high dosages to treat acne?

A

-Vit A

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21
Q

How much vitamin A is the max you should take per day if you are pregnant?

A

-3 mg

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22
Q

What vitamin is necessary for vision?

A

-Vitamin A

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23
Q

What are the source for vitamin B1?

A
  • Whole grain
  • Meat
  • Fish
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24
Q

If you have deficiency symptoms of Vitamin B1 (Thiamine) what disease might you have?

A
  • Beriberi

- Wernicke-Korsakoff syndrome

25
What is the general function of vitamin B1 (Thiamine)?
-Converted to thiamine pyrophosphate a cofactor used in enzymes involved in glucose, amino acid and lipid metabolism
26
What is thiamine essential for?
-TPP used in pyruvate dehydrogenase
27
What is the general function for vitamin B2 (Riboflavin)?
-Converted to FMN and FAD, electron carriers central to the ETC
28
If you have endocrine disorders what vitamin are you deficient in?
-Vitamin B2 (Riboflavin)
29
-What is vitamin B2 (Riboflavin) essential for?
-Carbohydrate and lipid metabolism
30
What is the general function of Vitamin B3 (Niacin)?
-Converted to nicotinic acid to form NAD+ and NADP+
31
If you have deficiency of Vitamin B3 (Niacin) what disease do you have?
-Pellagra
32
What is the general function of Vitamin B5 (Pantothenic Acid)?
-Major component in Coenzyme A synthesis
33
What is the general function of Vitamin B6 (Pyridoxine)?
-Forms PLP and PMP that function as coenzymes, necessary for neurotransmitter synthesis
34
Why is PLP important?
-Essential for transaminase reactions
35
What is the general function of Vitamin B7 (Biotin)?
-Function as a cofactor for four carboxylases
36
What is vitamin B7 (Biotin) Essential for?
-Fatty acid synthesis
37
What is the general function of Vitamin B9 (Folate)?
-Forms tetrahydrofolate
38
What is the daily adequate intake of Vitamin B9 (Folate)?
-400 ug per day or 600 ug per day if pregnant
39
What is Vitamin B9 (Folate) Essential for?
-Amino Acid Metabolism
40
What vitamin does vitamin B9 (Folate) interact with?
-Vitamin B12 (Cobalamins)
41
What is the general function of Vitamin B12 (Cobalamins)?
-Function as a cofactor in methionine synthesis
42
What is the daily adequate intake of Vitamin B12 (Cobalamins)?
-2.4 ug per day
43
Why should you not take more than 1000 ug (1 mg) of folic acid per day?
-You will mask the anemia of a Vitamin B12 deficiency
44
What is the general function of Vitamin C?
-Provides antioxidant activity
45
What is the daily adequate intake of vitamin C?
-75 mg per day
46
What vitamin are you deficient in if you have scurvy?
-Vitamin C
47
What vitamin are you deficient in if you have megaloblastic anemia?
-Vitamin B12
48
If you take to much Vitamin C what can occur?
- Gout | - Renal failure
49
What are the general functions of Vitamin D?
-Hormonal control of Ca2+ and phosphate metabolism
50
What is the daily adequate intake of Vitamin D?
-15 ug per day
51
What vitamin deficiency leads to Rickets?
-Vitamin D
52
What is the general function of Vitamin E?
-Antioxidants that protect against LDL oxidation
53
What is the daily adequate intake of Vitamin E?
-15 mg per day
54
What are the deficiency symptoms of Vitamin E?
- Peripheral neuropathy | - Impaired immune response
55
What is the general function of Vitamin K?
-Required for clotting factors
56
What is the daily adequate intake of Vitamin K?
-90 ug per day
57
What are the deficiency symptoms of Vitamin K?
-Bleeding and hemorrhaging
58
If you mask the anemia of Vitamin B12 what will that lead to?
-Neurologic problem
59
What vitamin deficiency is associated with pellagra?
-Vitamin B3 (Niacin)