The portion of the nervous system that controls involuntary activities is a subdivision of the nervous system.
a. sympathetic
c. peripheral
b. central
d. parasympathetic

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Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease

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