A clinical trial must involve
a. tissue cells in culture.
b. rats or mice as subjects.
c. human beings as subjects.
d. computer modeling to design the study.
c
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What influences the nutritional needs of an adolescent?
What will be an ideal response?
How does regular aerobic exercise training affect carbohydrate (CHO) usage?
a. Increases the enzymatic activity associated with glycolysis b. Increases the number and size of mitochondria c. Decreases liver glycogen storage so more CHO is stored as muscle glycogen d. All of the above
Now that you understand that both lifestyle and genetics can influence body weight, think back to August’s story about her difficulty losing weight. Many people assume that someone like August could and should lose weight by diet and exercise. Do you think these views are correct?
Approximately what percentage of the body is composed of fluid?
A. 10 - 20% B. 30 - 45% C. 50 - 70% D. 60 - 80%