PREP 2026/2027
Muerto Canyon virus (MCV) is a Hantavirus mainly carried by... - CORRECT ANSWER-
Mice
The wastewater from the flushing of a water closet, latrine, or privy is referred to as: -
CORRECT ANSWER-Black water
Bloodborne pathogens are regulated by: - CORRECT ANSWER-OSHA
A negative pressure fit test for a protective mask: - CORRECT ANSWER-Is done by
placing both palms against the intake filters
Excessive condensation, corrosion, and mildew occur when the relative humidity
exceeds... - CORRECT ANSWER-60%
Quantitative risk assessments USUALLY measure human exposure through all of the
following EXCEPT: - CORRECT ANSWER-Computer models
The maximum size of a stair riser should be: - CORRECT ANSWER-8 1/4"
Appropriate freezing is used to destroy... - CORRECT ANSWER-Parasites
low acid foods have a pH between... - CORRECT ANSWER-4.6 -7.0
Which of the following is MOST effective for controlling ragweed? - CORRECT ANSWER-
2, 4-D
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,A joist is used as a... - CORRECT ANSWER-Horizontal support
The most common type of injury in a home is... - CORRECT ANSWER-a fall from
standing height
What is the primary cause of death resulting from automobile exhaust accumulation in
garages? - CORRECT ANSWER-Carbon monoxide
When two pollutants are combined, the effects are greater than the sum of the
individual effects. This is called: - CORRECT ANSWER-Synergism
What is the vertical part of the stairs you step on called? - CORRECT ANSWER-Riser
An action authorized by law to restrict or prevent the movement of goods for the
protection of public health, safety, and welfare is called an order of: - CORRECT
ANSWER-Embargo
An establishment known to have imminent heath hazards is not closed by the
inspecting regulatory authority. This example BEST fits the definition of a: - CORRECT
ANSWER-Nonfeasance
Which component of clean, dry air has the smallest volume? - CORRECT ANSWER-
ammonia
Which one of the following phrases MOST accurately describes the term endemic? -
CORRECT ANSWER-Constant presence of an illness
Swimmer's itch is a common name for which disease? - CORRECT ANSWER-
Shistosomiasis
What size particle can reach the lowest parts of the lung? - CORRECT ANSWER-3
microns
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, The absorption of how many ergs (energy-per-gram) of air represents 1 roentgen? -
CORRECT ANSWER-~86
A disease transmitted by birds and bird droppings is: - CORRECT ANSWER-Psittacosis
What type of filter is recommended for use in small communities and rural places? -
CORRECT ANSWER-Slow sand
Gas chlorine provides: - CORRECT ANSWER-100% available chlorine
For first responders at an incident, which one of the following is listed correctly
according to order of importance? - CORRECT ANSWER-Responder Safety, Public
Safety, Environmental Safety, Property protection
Nutrients associated with eutrophication include all of the following EXCEPT: - CORRECT
ANSWER-Potassium
Which of the following is not a malodorous gas? - CORRECT ANSWER-Carbon
monoxide
the basic principles of disease control include all of the following EXCEPT: - CORRECT
ANSWER-Lag phase
What type of air pollution causes bleaching of leaves in plants? - CORRECT ANSWER-
Sulfur dioxide
The most common type of noise measurement device used for initial inspections is the:
- CORRECT ANSWER-Sound level meter
The term rad means? - CORRECT ANSWER-Radiation Absorbed Dose
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