Vitamins Flashcards

1
Q

Where are carotenoids contained?

A

Plant Pigments

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2
Q

What are the main functions of VIT A and Carotenoids?

A

Health of epithelial cells and immune function

Vision

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3
Q

What is the Vision deficiency disorder that results in the loss of ability to see under low light conditions?

A

Night blindness

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4
Q

Carotenoids (antioxidant) may decrease risk of what disease?

A

Cardiovascular Disease

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5
Q

What vitamin deficiency causes Xerophthalmia?

A

Vitamin A

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6
Q

What is Xerophthalmia?

A

Hardening of the cornea and drying of the surface of the eye (lack of mucus) which can result in blindness

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7
Q

What are sources of preformed vitamin A?

A

Liver, fish, fish oils, fortified milk, butter, yogurt, eggs

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8
Q

What are sources of carotenoids?

A

Dark green and yellow-orange vegetables

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9
Q

What is linked to excess of Vitamin A and Carotenoids?

A

Excess linked to birth defects and liver toxicity

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10
Q

Where are almost all vitamin A and Carotenoids stored?

A

Liver

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11
Q

What vitamin is the only nutrient that is also a hormone?

A

Vitamin D

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12
Q

What are the functions of Vitamins D?

A

Blood calcium regulation and gene expression and cell growth

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13
Q

What are the deficiency diseases of Vitamin D?

A

Rickets and Osteomalacia

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14
Q

What is the adult form of Rickets?

A

Osteomalacia

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15
Q

What are sources of Vitamin D

A

Sunlight is the best source, Fatty fish (salmon)

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16
Q

What are populations that may have difficulty meeting Vitamin D needs?

A

Vegans, individuals with milk allergies or lactose intolerance

17
Q

What does taking too much of Vitamin D from high supplement sources cause?

A

It can cause calcium levels in the blood to increase

18
Q

What are the toxicity symptoms of taking too much Vitamin D?

A

Weakness, loss of appetite, diarrhea, vomiting, mental confusion, increased urine output

19
Q

What are the functions of Vitamin E?

A

Antioxidant, essential for fertility, improves vitamin A absorption

20
Q

What populations are susceptible to Vitamin E deficiency?

A

Preterm infants, smokers, and those with very low-fat diets or fat malabsorption

21
Q

What are sources of vitamin E?

A

Plant products and oils are best sources

22
Q

What is the risk of having too much Vitamin E in the body?

A

Stored in adipose tissue :( But the excess can interfere with Vitamin K’s role in blood clotting

23
Q

What are sources of Vitamin K?

A

Plants, plant oils, fish oils, animal products

24
Q

What Vitamin is synthesized by bacteria in the colon?

A

Vitamin A

25
Q

What are the functions of Vitamin K?

A

Blood clotting and bone health

26
Q

What deficiency disease is associated with Thiamin - B1?

A

Beriberi

27
Q

What are symptoms of the deficiency disease Beriberi?

A

“I can’t I can’t” - pain in back of legs, weakness, loss of appetite, anemia, ?

28
Q

What vitamin is B-2?

A

Riboflavin

29
Q

What vitamin is B-3?

A

Niacin

30
Q

What deficiency disease is associated with Riboflavin- B2?

A

Celiosis

31
Q

What vitamin is especially difficult for vegetarians/vegans to acquire an adequate amount? Why?

A

B-12, the main source is animal organs (meat) and secondarily milk which may not appeal as well

32
Q

What is the name of vitamin B-7?

A

Biotin