_____, which is abundant in almost all proteins, is converted to niacin in the body.
1.Arginine
2.Tryptophan
3.Alanine
4.Tyrosine
5.Lysine
Q. 2The importance of the lungs in the circulatory system is that they are responsible for:
a. adding oxygen to the blood.
b. removing glucose from the blood.
c. adding nutrients to the blood.
d. removing extra water from the blood.
e. removing carbon monoxide from the blood.
Q. 3The niacin-deficiency disease is _____.
1.Wernicke-Korsakoff syndrome
2.Pellagra
3.Anemia
4.Beriberi
5.Rickets
Q. 4A gene variation in the cells can occasionally cause an inborn error of metabolism. If this is discovered by a healthcare provider, the advice would be to:
a. not worry because this is a temporary condition.
b. eat a special diet that will minimize potential harm to the body.
c. obtain a tissue transplant that will introduce new genes to the cells.
d. avoid all processed foods.
e. seek a second opinion.
Q. 5_____ destroys riboflavin.
1.Sunlight
2.Irradiation
3.Cooking
4.Freezing
5.All of these choices
6.Sunlight and irradiation only
7.Cooking and freezing only
Q. 6Which of the following is a storage site that stores nutrients for release to meet the cells' needs between meals?
a. liver
b. kidney
c. stomach
d. pancreas
e. small intestine
Q. 7_____ impairs absorption of thiamin from the digestive tract and hastens its excretion in the urine.
1.Milk
2.Alcohol
3.Salt
4.Spinach
5.Whole wheat
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