Which body composition method uses measurements of the density of fat mass and fat-free mass to determine a person's percent body fat?
A. Underwater weighing
B. Dual-energy x-ray absorptiometry (DEXA)
C. Bioelectrical impedance
D. Skinfold thickness
A
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Which statement defines the association between a risk factor and the development of a disease??
A) ?All people with the risk factor will develop the disease. B) ?The absence of a risk factor guarantees freedom from the disease. C) ?The more risk factors for a disease, the greater the chance of developing that disease. D) ?The presence of a factor such as heredity can be modified to lower the risk of degenerative diseases.
What are the four components of a well-written objective? Why is each component important?
The positively charged electrolyte concentrated inside the cell is potassium, and the positively
charged electrolyte concentrated outside the cell is A) hydrogen. B) nitrogen. C) sodium. D) oxygen.
Older people benefit from physical activity even more than younger people do because _____ is the only way to maintain and build muscle mass.
A. muscle stretching B. swimming C. aerobic activity D. cognitive performance E. strength training