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Which of the following is the best source of prefmed vitamin A?


A) Broccoli
B) Pork chop
C) Chicken breast
D) Liver

E) A) and B)
F) All of the above

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Which fat-soluble vitamin is imptant f the health of epithelial cells because it promotes mucus production?


A) A
B) E
C) C
D) D

E) All of the above
F) C) and D)

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The vitamin that prevents beriberi is


A) B-12.
B) niacin.
C) riboflavin.
D) thiamin.

E) C) and D)
F) All of the above

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The vitamin that poses the greatest risk f toxicity is _______________.

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In general, the richest sources of vitamin E are _______________.

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vegetable oils OR ve...

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The fat-soluble vitamin that can lead to calcification of soft tissue, such as the kidney, when consumed in large quantities, is _______________.

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Which of the following is converted to vitamin A in the body?


A) Retinol
B) Carotenoids
C) Cholesterol
D) Phenylalanine

E) A) and B)
F) C) and D)

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Which B vitamin is required f amino acid metabolism?


A) Thiamin
B) Niacin
C) Vitamin B-6
D) Pantothenic acid

E) B) and C)
F) A) and D)

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Symptoms of ____________ deficiency include glossitis, dermatitis, cheilosis, eye disders, sun sensitivity, and confusion.

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riboflavin...

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Adequate intake of _______________ can help prevent neural tube defects like spina bifida.

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folate OR ...

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This vitamin, when consumed during pregnancy, can help prevent neural tube defects like spina bifida.


A) Niacin
B) Folate/folic acid
C) Riboflavin
D) B-6

E) A) and D)
F) None of the above

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The vitamin that can mask B-12 deficiency is _______________.

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folate OR ...

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The foods that provide the largest source of riboflavin in the American diet are


A) meats.
B) whole grain cereals.
C) milk and dairy products.
D) dark green leafy vegetables.

E) B) and C)
F) A) and C)

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What vitamin plays an essential role in amino acid metabolism?


A) Thiamin
B) Pyridoxine
C) Riboflavin
D) Niacin

E) A) and D)
F) None of the above

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Bill's physician has prescribed an intake of 200 milligrams nicotinic acid (a fm of niacin) to attempt to preserve his health. Which of the following is true about nicotinic acid consumption?


A) It provides no health benefits.
B) It has no toxic effects when consumed in high doses.
C) It can elevate serum triglycerides.
D) It can lower elevated serum cholesterol.

E) A) and D)
F) None of the above

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Which of the following is true about the fms of vitamin A?


A) Retinoids are found in plant foods.
B) Carotenoids are found in animal foods.
C) Carotenoids can be converted to retinoids.
D) Retinoids are converted to carotenoids.

E) A) and B)
F) All of the above

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Vitamin ______ can be produced in the skin in response to ultraviolet light.

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A rich folate food source would be


A) skim milk.
B) roast beef.
C) asparagus.
D) peanuts.

E) B) and C)
F) B) and D)

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Which of the following is a good source of provitamin A?


A) Orange
B) Apricot
C) Cauliflower
D) Potatoes

E) C) and D)
F) B) and D)

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With a deficiency of vitamin A, cells that line the cnea of the eye lose their ability to produce mucus. The eye becomes dry and susceptible to infection. This infection eventually leads to blindness. This disease process is called _______________, which means "dry eye."

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