REHS EXAM- RESIDENTIAL AND
INSTITUTIONAL ENVIRONMENTAL
Cross-connection controls include air gaps, backflow preventers, vacuum
breakers and
a. gate valves
b. indirect waste piping
c. air vents
d. water meters - correct answer b. indirect waste piping
A BSC national performance standard has been developed by
a. NSF
b. NSC
c. NIH
d. ABSA - correct answer a. NSF
Biological safety cabinets should be performance tested every
a. 1 year
b. 1 month
c. 2 years
d. 10 years - correct answer a. 1 year
The ASHRAE recommended minimal thermal standard for dwellings is ______
degrees F at 40% humidity and an air circulation rate of 45 fpm.
a. 57
b. 60
c. 68
d. 76 - correct answer d. 76
, Campylobacter (C. jejuni/C. coli, C. fetus subsp. fetus) may be safely used in the
laboratory as a minimum at
a. biosafety level 1
b. biosafety level 2
c. biosafety level 3
d. biosafety level 4 - correct answer b. biosafety level 2
Minimum wash water temperature in a hospital laundry is
a. 146 to 150 degrees F
b. 160 to 167 degrees F
c. 170 to 178 degrees F
d. 185 to 196 degrees F - correct answer b. 160 to 167 degrees F
Universal precautions refer to
a. specific respiratory protection used in hospitals
b. an infection control measure in which all human blood and certain body fluids
are treated as infectious
c. procedures used when handling hazardous wastes
d. none of the above - correct answer b. an infection control measure in which all
human blood and certain body fluids are treated as infectious
A class II biological safety cabinet (BSC) is designed to protect
a. the work being done in the BSC
b. the personnel using the BSC
c. the environment
d. all of the above - correct answer d. all of the above
Mobile homes have been in general production since
INSTITUTIONAL ENVIRONMENTAL
Cross-connection controls include air gaps, backflow preventers, vacuum
breakers and
a. gate valves
b. indirect waste piping
c. air vents
d. water meters - correct answer b. indirect waste piping
A BSC national performance standard has been developed by
a. NSF
b. NSC
c. NIH
d. ABSA - correct answer a. NSF
Biological safety cabinets should be performance tested every
a. 1 year
b. 1 month
c. 2 years
d. 10 years - correct answer a. 1 year
The ASHRAE recommended minimal thermal standard for dwellings is ______
degrees F at 40% humidity and an air circulation rate of 45 fpm.
a. 57
b. 60
c. 68
d. 76 - correct answer d. 76
, Campylobacter (C. jejuni/C. coli, C. fetus subsp. fetus) may be safely used in the
laboratory as a minimum at
a. biosafety level 1
b. biosafety level 2
c. biosafety level 3
d. biosafety level 4 - correct answer b. biosafety level 2
Minimum wash water temperature in a hospital laundry is
a. 146 to 150 degrees F
b. 160 to 167 degrees F
c. 170 to 178 degrees F
d. 185 to 196 degrees F - correct answer b. 160 to 167 degrees F
Universal precautions refer to
a. specific respiratory protection used in hospitals
b. an infection control measure in which all human blood and certain body fluids
are treated as infectious
c. procedures used when handling hazardous wastes
d. none of the above - correct answer b. an infection control measure in which all
human blood and certain body fluids are treated as infectious
A class II biological safety cabinet (BSC) is designed to protect
a. the work being done in the BSC
b. the personnel using the BSC
c. the environment
d. all of the above - correct answer d. all of the above
Mobile homes have been in general production since
