单项选择题
A.moving to a shaded area and laying down B.bathing with rubbing alcohol C.placing the patient in a tub of cold water D.All of the above
Treatment of frostbite includes（）.A.rubbing affected ar...
单项选择题Treatment of frostbite includes（）.
A.rubbing affected area with ice or snow B.rubbing affected area briskly to restore circulation C.wrapping area tightly in warm cloths D.warming exposed parts rapidly
The rescuer can best provide an airtight seal during mo...
单项选择题The rescuer can best provide an airtight seal during mouth-to-mouth resuscitation by pinching the victim’s nostrils and（）.
A.cupping a hand around the patient's mouth B.keeping the head elevated C.applying his mouth tightly over the victim's mouth D.holding the jaw down firmly
The principal personnel hazard unique to Halon extingui...
单项选择题The principal personnel hazard unique to Halon extinguishers is（）.
A.displacement of oxygen B.skin irritation C.inhaling toxic vapors D.eye irritation
