Which of the following is a characteristic of an open feeding system?

a. A greater variety of formulas can be used.
b. The formula must be transferred from its original container.
c. An aseptic technique is not necessary.
d. This system cost more initially.


b

Nutritional Science

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What are the small aggregates of molecules serving as the starting point of crystal formation called?

A. interfering agents B. crystalline C. nuclei D. syrup

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The only staple foods common to many, though not all, Native American nations were: a. beans, corn, and rice

b. corn, squash, and apples. c. beans, corn, and squash. d. fish, beans, and corn. e. meat, potatoes, and green vegetables.

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Specific Activity Guidelines published by the U.S. Department of Health and Human Services state that adults (ages 18-64 ) should ____

A) not engage in any vigorous-intensity aerobic exercise unless they are highly trained athletes B) do 1 hour or more a day of mostly moderate- or vigorous-intensity aerobic physical activity C) do 2 hours or more a day of mostly moderate- or vigorous-intensity aerobic physical activity D) do 2 hours and 30 minutes a week of moderate-intensity or 1 hour and 15 minutes a week of vigorous-intensity aerobic physical activity, or a combination of these

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