Which of the following forced vital capacity test times should be interpreted as normal?
a. Less than 4 seconds
b. 4 to 6 seconds
c. 6 to 8 seconds
d. 8 to 10 seconds
B
A normal adult will exhale a forced vital capacity (FVC) within 4 to 6 seconds. Patients with restrictive lung diseases may blow out the FVC in less than 4 seconds. Patients with obstructive lung diseases will need more than 6 seconds to blow out the FVC.
Health Professions
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Microorganisms that are capable of producing disease, such as bacteria and viruses, are called:
a. pathogens. c. germs. b. infections. d. microbes.
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Heat-related injury may manifest itself as:
A) heat stroke. B) heat cramps. C) heat exhaustion. D) any of the above.
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