Which of the following statements about smoke detectors is MOST accurate?
A. Smoke detectors initiate an alarm much slower than heat detectors.
B. In most cases, smoke detectors are installed in nonresidential and large multi-family occupancies.
C. Smoke detectors are self-contained units capable of both detecting smoke and sounding an alarm.
D. Typically, smoke detectors are installed in single-family residences and smaller multi-family occupancies.
B
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A primary injury to the central nervous system would be caused by:
a. drowning. b. a hematoma. c. a brachial plexus injury. d. a laceration of the spinal cord.
The various types of musculoskeletal injuries:
A. Are more serious if there is external bleeding. B. Present with very different signs and symptoms. C. May cause injuries to body areas that are distant form the injury site. D. Are often associated with disease, such as bone degeneration, especially in young patients.