The inner surface of the small intestine has mucosal folds, villi, and microvilli because:
a. these allow all nutrients to be absorbed by osmosis.
b. they release the hormones that control digestion and absorption.
c. these increase the surface area for absorption.
d. they allow for recirculation of enzymes and mucus.
Answer: c. these increase the surface area for absorption.
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Which of the following statements is true of people who have undergone bypass surgery?
A) The stomach pouch can only hold 2 tablespoons of food. B) Over time the stomach pouch can stretch to hold 1/2 to 2/3 cup of food. C) Nutrient deficiencies can occur if nutrient-dense foods and dietary supplements are not consumed D) All of the above
Brand names or government grades can be used to specify: a. form
b. quality. c. pricing. d. quantity.
An indicator of the status of a person’s weight for their height is called:
1.basal metabolic rate. 2.body mass index. 3.body composition. 4.body circumference index.
What percentage of reported foodborne illnesses are caused by errors in a commercial setting?
a. 10% b. 20% c. 50% d. 70% e. 80%