Food manufacturers are required to add vitamins D, A, K, and E to foods containing "olestra.". Why are these vitamins added?
a. Olestra increases the body's utilization of fat-soluble vitamins.
b. Olestra interferes with the absorption of these fat-soluble vitamins in the gastrointestinal tract.
c. Olestra increases the conversion of fat-soluble vitamins into cholesterol.
d. Olestra interferes with the uptake of fat-soluble vitamins by cell membranes.
b
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Would you recommend the Zone Diet to a friend? Why or why not?
What will be an ideal response?
Rank the following fats and oils in order of their smoke point, from lowest to highest.
A. vegetable shortenings plus emulsifier, lard, olive oil, and soybean oil B. lard, soybean oil, vegetable shortenings plus emulsifier, and olive oil C. olive oil, soybean oil, lard, and vegetable shortenings plus emulsifier D. soybean oil, olive oil, vegetable shortenings plus emulsifier, and lard
Which of the following classes of compounds is not normally found as a constituent of an essential oil?
A. sesquiterpenes B. phenylpropanoids C. monoterpenes D. flavonoids
Jill is 32 years old, and after years of a mostly sedentary life is determined to get into shape. She decides to take up jogging but cannot decide whether to jog at a moderate pace or very fast pace, and has no idea how long to continue. Jill also wants to learn to monitor her heart rate and pulse. She was a gymnast in high school but can no longer touch her toes. Suggest how Jill should get
started by answering these questions.Calculate Jill's target heart rate so she can evaluate her performance. a. 220-250 beats per minute b. 200-210 beats per minute c. 174-194 beats per minute d. 103-169 beats per minute e. 85-100 beats per minute