Dry (active) yeast
a. is also called compressed yeast and has about 70 percent moisture.
b. is reactivated in warm water at 85 degrees F.
c. is rehydrated in water at 115 degrees F.
d. has a short shelf life and develops mold easily, so refrigeration is required.
c
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Our use of labor-saving devices has resulted in a reduction of physical energy expenditure of
A. less than 60 calories a day. B. more than 100 calories a day. C. more than 200 calories a day. D. more than 275 calories a day.
What is one function of the pyloric sphincter?
A. Prevents stomach contents from backing up into the esophagus B. Controls the passage of chyme from the stomach into the small intestine C. Prevents the backward movement of feces from the large intestine into the small intestine D. Controls the release of pancreatic secretions into the small intestine
Which of the following statements is true?
a. Saturated fatty acids elevate LDL blood cholesterol. b. Polyunsaturated fatty acids elevate LDL blood cholesterol. c. Monounsaturated fatty acids elevate LDL blood cholesterol. d. Trans fatty acids lower LDL blood cholesterol.
Which of the following people would be at the lowest risk for osteoporosis?
a. Joe, who walks for one hour, 3 times each week. b. Jill, who has a glass of wine every day after work. c. Stephanie, whose mother and grandmother broke their hips. d. Mark, who had a kidney transplant two years ago.