How does the exhaust method control smoke?
A. Uses mechanical fans and ventilation to create a pressure difference across a barrier.
B. Uses high velocity air aimed at the area of origin to keep smoke from migrating into unaffected areas.
C. Uses barriers with sufficient fire endurance to provide protection against the spread of fire and smoke.
D. Uses mechanical ventilation and the properties of smoke to collect smoke at the highest point in a large space.
D
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Myoglobin, potassium, phosphorus, lactic acid, and uric acid released into the circulatory system after extrication from entrapment cause an effect called:
A) alkalosis syndrome. B) compression syndrome. C) release-shock syndrome. D) compartment syndrome.
When used with a smooth bore nozzle, a nozzle control valve that causes turbulence when partially open which can affect the quality of a fire stream is the:
A. ball valve. B. slide valve. C. standpipe valve. D. rotary control valve.
The _____ provides information about the legal standards for drug quality, strength, and purity established by the federal government
a. United States Pharmacopeia(USP) b. Medical Letter on Drugs and Therapeutics c. National Patient Safety Goals d. Physician's Desk Reference(PDR)
Heat denatures proteins by:
A. causing them to dissolve. B. causing the protein molecules to vibrate violently. C. by breaking the covalent bonds between the amino acids. D. none of the above