A scientific consensus as to why a particular phenomenon occurs is a(n)
A) theory. B) hypothesis.
C) alternate hypothesis. D) experiment.
Q. 2The acronym FITT stands for
A) fitness, increase, test, and time. B) flexibility, increase, timetable, and training.
C) frequency, intensity, time, and type of activity. D) fatigue, intensity, temperature, and training.
Q. 3From what source does the body obtain the majority of its antioxidants?
A) the by-products of healthy metabolism B) sunlight
C) gastrointestinal microflora D) the diet
Q. 4According to the Surgeon General's report, to maintain a general level of health, a person should
A) accumulate at least 30 minutes of activity most days.
B) exercise at least 60 minutes each day.
C) get 30 minutes of high-intensity exercise each day.
D) achieve 20 to 30 minutes of continuous activity every day.
Q. 5Which of the following are required components of many antioxidant enzyme systems?
A) antioxidant minerals B) phytochemicals
C) gastrointestinal microflora D) antioxidant vitamins
Q. 6What is the Acceptable Macronutrient Distribution Range for fat?
A) 10-25 of total energy B) 20-35 of total energy
C) less than 15 of total energy D) 30-45 of total energy
Q. 7The second step of the scientific method is
A) generating a hypothesis. B) observation and description of a phenomenon.
C) testing a research question or hypothesis. D) collecting data.
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