#1
Which of the following is a type of respiratory protection device?
N95 respirator
ExplanationN95 respirators are devices designed to protect the wearer from airborne particles.
#2
Which of the following is NOT a factor to consider when selecting a respirator?
Brand popularity
ExplanationBrand popularity is not a relevant factor when selecting a respirator; factors like fit, filtration efficiency, and intended use are.
#3
Which organization regulates the use of respirators in occupational settings in the United States?
OSHA
ExplanationThe Occupational Safety and Health Administration (OSHA) regulates the use of respirators in occupational settings in the United States.
#4
What does the term 'APR' stand for in the context of respiratory protection?
Air-Purifying Respirator
ExplanationAPR stands for Air-Purifying Respirator, which removes contaminants from the air.
#5
What does N95 stand for in the context of respirators?
95% filtration efficiency
ExplanationN95 indicates that the respirator filters out at least 95% of airborne particles.
#6
Which of the following particles can N95 respirators protect against?
All of the above
ExplanationN95 respirators can protect against particles like dust, smoke, and infectious agents.
#7
What is the primary function of a particulate respirator?
Filtering out particles from the air
ExplanationParticulate respirators primarily function to remove particles from the air before they are inhaled.
#8
What is the minimum fit factor requirement for a respirator to be considered acceptable?
10
ExplanationA fit factor of at least 10 is required for a respirator to be considered acceptable for use.
#9
What is the primary difference between an elastomeric respirator and a disposable respirator?
Elastomeric respirators are reusable
ExplanationElastomeric respirators are designed to be reused multiple times, unlike disposable respirators.
#10
Which of the following is an example of a powered air-purifying respirator (PAPR)?
PAPR hood
ExplanationPAPR hoods are examples of powered air-purifying respirators which use a blower to force air through a filter for breathing.