Exercise for individuals with orthopedic problems should use as much weight-bearing activity at the problem area as possible.
a. true
b. false
b. false
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Which of the following is characteristic of animals?
(a) heterotrophy. (b) autotrophy. (c) photosynthesis. (d) both b and c.
Tissues are to __________ as organs are to organ systems
a. cells b. organs c. organisms d. all of these
Which of the following is not a required characteristic of antigens from microbial pathogens that might be used in vaccine production?
A. It must be essential for the survival of the pathogen in the host. B. It must be excreted or found on the surface of the pathogen. C. It must be found in all strains of the pathogen. D. All of the choices are correct.
Subunit vaccines are safer than traditional vaccines because they
A) are acellular. B) are administered in food. C) do not pose a risk for causing the disease. D) are acellular and do not pose a risk for causing the disease. E) are acellular and can be administered in food.