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The Muerto Canyon virus (MCV) is primarily spread by:
a. bats
b. rats
c. birds
d. ✔✔mice
Wastewater from toilets, latrines, or privies is termed as:
a. stormwater
b. recycled water
c. gray water
d. ✔✔black water
In quantitative risk assessments, which method is least commonly used to measure human
exposure?
a. direct sampling
b. surveys
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,c. ✔✔computer models
d. exposure modeling
The tallest permissible height for a stair riser is:
a. 8 inches
b. 7 inches
c. 7 3/4 inches
d. ✔✔8 1/4 inches
Freezing is an effective method for destroying:
a. bacteria
b. viruses
c. fungi
d. ✔✔parasites
Bloodborne pathogen regulations are enforced by which organization?
a. CDC
b. EPA
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,c. FDA
d. ✔✔OSHA
To perform a negative pressure fit test on a protective mask, one should:
a. utilize a gas detector
b. ✔✔cover the intake filters with both hands
c. visually inspect the seal
d. immerse the mask in water
Issues like condensation, corrosion, and mildew typically arise when relative humidity surpasses:
a. 50%
b. 70%
c. 40%
d. ✔✔60%
Low-acid foods usually fall within a pH range of:
a. ✔✔4.6 - 7.0
b. 5.0 - 7.5
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, c. 3.0 - 4.5
d. 4.0 - 4.5
The best approach to control ragweed is:
a. burning
b. ✔✔using 2, 4-D herbicide
c. hand pulling
d. mowing
A joist serves as a:
a. diagonal brace
b. roofing element
c. vertical support
d. ✔✔horizontal support
The most frequent type of home injury is:
a. poisoning
b. cuts
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