Which of the following statements is true?
a. Athletes may need slightly more protein than other healthy adults
b. Athletes should consume protein supplements to build muscle.
c. Dieters should take protein supplements to spare body protein.
d. Infants and children need the same amount of protein as adults on a per-kilogram basis.
e. Protein recommendations are based strictly on age and gender.
a
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Which of the following is not a sterol?
a. Estrogen b. Cortisol c. Cholesterol d. Vitamin D e. Bile
In human physiology, which two groups of acids are most important?
a. acidic and alkaline b. gastric and intestinal c. volatile and nonvolatile d. reactive and nonreactive e. digestive and enzymatic
The lower esophageal sphincter is responsible for:
a. allowing chyme to enter the stomach. b. preventing gastric contents refluxing into the esophagus. c. adding digestive juices to the bolus of food as it descends the esophagus. d. allowing intermittent amounts of stomach contents to enter the duodenum.
Which of the following statements about threshold concentration is incorrect (false)?
a. Subthreshold salt levels increase perceived sweetness. b. Subthreshold salt levels decrease perceived acidity. c. Subthreshold acid concentrations make a food taste less salty. d. Subthreshold sugar concentrations make a food taste less salty. e. all of the above answers are correct