What is a function of hydrochloric acid in the stomach?
a. It absorbs water.
b. It inhibits peristalsis.
c. It neutralizes the food mass.
d. It creates an optimum acidity.
e. It prevents relaxation of the lower esophageal sphincter.
ANS: D
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A nutrient level that exceeds the Tolerable Upper Intake Level (UL) is harmful.
a. true b. false
If Myeshia completely excludes dairy products from her diet, she is at increased risk of deficiencies. Select one nutrient found in dairy products that would be of concern.
What will be an ideal response?
Based on the results of classic studies such as Costill et al. (1971), which of the following best describes muscle glycogen depletion on successive days of training in well-trained endurance athletes?
a. Because they were well trained, muscle glycogen was only mildly depleted and typically completely restored before the next training session. b. Muscle glycogen was nearly depleted after the first day, incompletely restored, and subjects were unable to complete training runs on successive days. c. Males typically deplete and restore muscle glycogen to near maximum levels each day, but females rarely do. d. Muscle glycogen declined with successive days of training even though a moderate-carbohydrate diet was consumed.
Is a 750 mg/day glucosamine supplement considered safe?
a. A 750 mg/day dose is thought to be safe b. Glucosamine is thought to be safe at doses less than 500 mg/day c. Glucosamine is not safe at any dose