The function of the lower esophageal sphincter is to
a. direct food from the mouth to the esophagus
b. protect the airway during swallowing
c. prevent backflow from the esophagus
d. prevent backflow from the stomach
d
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All of the following are true regarding meals eaten in restaurants EXCEPT:
a. it is impossible to find any healthy items when dining out. b. they are generally lower in nutrient content and higher in fat than meals eaten at home. c. they are generally higher in calories than meals served at home. d. portions are generally larger than portions eaten at home.
Dehydration affects exercise that is only 2 hours in duration or longer.
a. true b. false
With the possible exception of _____, the vitamin content of the breast milk of a well-nourished mother is ample
a. vitamin C b. vitamin D c. thiamin d. zinc
In ____________________, the surgeon constructs a small stomach pouch and creates an outlet directly to the small intestine, bypassing most of the stomach, the entire duodenum, and some of the jejunum
Fill in the blank with correct word