Which types of respiratory protection use a blower to pass contaminated air through a canister or filter to remove the contaminant and supply the purified air to the full facepiece?
A. Escape respirators
B. Supplied-air hoods
C. Powered air-purifying respirators (PAPRs)
D. Self-contained breathing apparatus (SCBA)
C
You might also like to view...
Smoke is defined as:
A) the structural failure of a container. B) the gases, vapors, and small particles that come off from a burning substance. C) the generation of high-pressure gas from an exothermic chemical reaction. D) the propagation of a combustion zone at a velocity that is greater than the speed of sound in the unreacted medium.
A term that usually refers to a bacterial infection of the uterus, fallopian tubes, and/or ovaries is
A) bartholinitis. B) vulvodynia. C) hematosalpinx. D) pelvic inflammatory disease.
In discussing patients with chlamydia and gonorrhea with a group of EMT students, you would inform them that:
A) These coinfections are treated with antibiotic therapy B) These coinfections often result in the need for surgery C) These coinfections require antiviral agents to be cured D) These coinfections tend to be caused by a parasite
A person with type AB blood can receive blood from a person with which blood type?
A. A B. B C. O D. any of the above