Which of the following statements BEST describes a preaction sprinkler system?
A. Causes all sprinklers to discharge water simultaneously
B. Releases air when sprinkler activates, allowing the system to be charged with water
C. Continually charged with water under pressure that discharges when one or more sprinklers are activated by heat from a fire
D. Operates only when a sprinkler opens and a detection device in the same area activates the water-flow control valve
D
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How do medical dictionaries typically assist the examiner?
a. Identifying famous malpractice lawsuits b. Identifying diagnoses, their symptoms, prognoses, and common treatment protocols c. Assisting the medical biller in rewriting the physician's notes d. Determining whether or not the diagnosis or services are authentic
A 55-year-old man was struck by a vehicle as he was walking along the side of the road. He is not responsive and has noisy breathing. You cannot adequately keep the airway open with a jaw-thrust maneuver. You should:
A) perform a head-tilt, chin-lift maneuver. B) turn the patient onto his side. C) lift the patient's head. D) continue the jaw-thrust maneuver until EMS arrives.
Which of the following is not a risk factor associated with the implantation of a left ventricular assist device?
a. excessive bleeding b. acute heart failure c. renal failure d. stroke
At the scene of a motor-vehicle collision, a driver is entrapped in his car after striking the back of a truck at a high rate of speed. Which action would be performed FIRST when providing stabilization of the car?
A) Placing the transmission in "park" B) Shutting off the engine C) Setting the parking brake D) Disconnecting the battery