The lower esophageal sphincter is located between the ________.
A. ileum and cecum
B. stomach and esophagus
C. sigmoid colon and anus
D. stomach and duodenum
Answer: B
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Answer the following questions true (T) or false (F)
1. Bioavailability of individual vitamins varies based on the amount of the vitamin in the food, whether the food is cooked, raw, or refined, the food's digestibility, an individual's nutrition status, and whether the vitamin is a natural or synthetic form. 2. Fat-soluble vitamins are more bioavailable than water-soluble vitamins. 3. Fat-soluble vitamins require dietary fiber to be absorbed.
In animals, the life - prolonging benefits of energy restriction become evident when the diet provides enough food to prevent malnutrition and an energy intake of about ________ of normal.
a. 90% b. 80% c. 50% d. 60% e. 70%
Major minerals are required in amounts greater than _____ per day
A) 100 mg B) 1,000 mg C) 150 mg D) 1,500 mg
Zinc functions include all of the following except:
a. normal growth b. alcohol metabolism c. normal immune system d. aid in thyroid function