Which of the following statements regarding smoke-developed ratings is MOST accurate?
A. They are measured by ionization.
B. They are provided by the tunnel test.
C. They are rarely affected by flame-retardant coatings.
D. They are an indication of the toxicity of the products of combustion.
B
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As you are examining a victim involved in a motor vehicle collision, you note the presence of a clear fluid draining from the nose. You suspect this is:
A) cerebrospinal fluid. B) excessive mucous. C) potential airway obstruction. D) pleural fluid.
A construction worker was accidentally shot with a nail gun. The nail penetrated the skull approximately one inch through the temporal region. Before your arrival, coworkers pulled the nail free. Based on the mechanism of injury, which one of the following signs or symptoms would provide the BEST evidence that the meningeal layers have been broken?
A) Cerebral spinal fluid coming from the puncture wound B) Crepitus of the skull at the injury site C) Swelling and deformity to the tissues at the injury site D) Blood coming from the puncture wound