REHS Exam With Correct Questions
And Answers 2025
Tapeworm infection is probably due to: - CORRECT ANSWERS-echinococcus
most outdoor air emissions are derived from - CORRECT ANSWERS-
transportation
indoor air quality depends on - CORRECT ANSWERS-sources of air pollution in
the building, sources of pollution outside the building, and the exchange of air
between the inside and outside
the total amount of oxygen demand in a sample (in mg/L) as measured by a
specific strong chemical oxidation procedure is called the: - CORRECT
ANSWERS-COD
a black light is used by food inspectors to - CORRECT ANSWERS-determine the
presence of rodent urine
sodium thiosulfate is added to water sample bottles to - CORRECT ANSWERS-
inactivate chlorine in water
minimum separation distance are required and specified between the disposal
field and: - CORRECT ANSWERS-dwelling, property line, water course, and well
(all of the above)
NIOSH is the research arm of: - CORRECT ANSWERS-OSHA
the mandated public health activities listed in title 8-chapter 52 on the NJ
administrative code are known as: - CORRECT ANSWERS-core activities
the legal definition of air pollution in NJ states that is the presence of one or
more air contaminants in the - CORRECT ANSWERS-outdoor atmosphere
the venetians took important steps toward the control of communicable
diseases when the introduced the practice of isolating ships that were under
suspicion of carrying epidemic diseases. This practice is called - CORRECT
ANSWERS-quarintine
the term commonly used when a pathogenic organism enters and multiplies in
the blood of a susceptible host is: - CORRECT ANSWERS-septicemia
1|Page
,which of the following organisms produces an environmentally resistant spore?
- CORRECT ANSWERS-clostridium botulinum
a type of resource recovery program currently approved by NJ that, via special
permit, allows clams to be taken from marginally polluted waters and cleansed
prior to release for market sale is - CORRECT ANSWERS-depuration
in taking a lab sample for water microbiology, you should: - CORRECT
ANSWERS-use a sterile container, take at least 100 ml for total coliform, keep
the sample cold and have the sample analyzed within 30 hrs (all of the above)
in collecting a water sample for volatile organic compounds, you need -
CORRECT ANSWERS-a 40ml glass vial with septum seal and an acid preservative
in choosing a laboratory, health departments must make sure - CORRECT
ANSWERS-they are NJDEPE certified for the test you want performed
good public health management requires - CORRECT ANSWERS-intelligence,
organizational behavior, human resources, firm knowledge in health and
epidedemiology. (all of the above)
mixed construction/demolition material consisting of wood, metal, brick and
concrete is considered a source separated recyclable and can be used as clean
fill - CORRECT ANSWERS-false
which of the following characteristics may cause a chemical to be categorized
as hazardous? - CORRECT ANSWERS-flammable, toxic, corrosive, explosive (all
of the above)
which of the following act as sources of oxygen into a surface water? -
CORRECT ANSWERS-atmospheric reaeration and photosynthesis
(both c and d)
bacteria reproduce by - CORRECT ANSWERS-fission
which of the following is not a method of classifying viruses - CORRECT
ANSWERS-gram stain reaction
which of the following is not a method of classifying bacteria? - CORRECT
ANSWERS-presence or absence of spikes on the membranous envelop
the new jersey worker and community right to know act - CORRECT ANSWERS-
establishes a program for the disclosure of hazardous chemical substance
information and it helps people in making informed decisions about the
2|Page
, chemicals they work with and may be exposed to in their communities (A and
C)
if you ever wanted to know what hazardous chemicals are present at a covered
facility what would you refer to? - CORRECT ANSWERS-the right to know survey
what agency will provide copies of the right to know survey for public and
private sector facilities and hazardous substance fact sheets to anyone who
makes a request? - CORRECT ANSWERS-right-to-know county lead agencies
How should shellfish be stored in a retail food establishment? - CORRECT
ANSWERS-ice
What organ is radon most likely to affect? - CORRECT ANSWERS-lungs
If an inspector were to inspect a youth camp, which of the following would he
ask to see? - CORRECT ANSWERS-pool log containing ph and cl readings, written
camp policies, proof of insurance, and administrative credentials (all of the
above)
A small pond near a farm experienced an algae bloom. Which of the following
was most likely the cause - CORRECT ANSWERS-Fertilizer runoff causing an
increase in nitrogen and phosphorus
Why are animals used in laboratory testing of chemicals as opposed to humans?
- CORRECT ANSWERS-Test results using animals can be analyzed in a much
shorter period of time than if humans were to be used.
Which of the following is least likely to occur as a product of air pollution? -
CORRECT ANSWERS-gastrointestinal problems
During lunch break, a group of construction workers noticed an unusually high
amount of Rattus rattus running around. This is probably due to the fact that: -
CORRECT ANSWERS-There has been a recent demolition of several blighted two
story houses
How is the concentration of radon measured? - CORRECT ANSWERS-PCi/L;
picocuries / liter
What is the most likely source of childhood lead poisoning? - CORRECT
ANSWERS-old painted windows
What is the best source of protection against radioactivity? - CORRECT
ANSWERS-lead
3|Page
And Answers 2025
Tapeworm infection is probably due to: - CORRECT ANSWERS-echinococcus
most outdoor air emissions are derived from - CORRECT ANSWERS-
transportation
indoor air quality depends on - CORRECT ANSWERS-sources of air pollution in
the building, sources of pollution outside the building, and the exchange of air
between the inside and outside
the total amount of oxygen demand in a sample (in mg/L) as measured by a
specific strong chemical oxidation procedure is called the: - CORRECT
ANSWERS-COD
a black light is used by food inspectors to - CORRECT ANSWERS-determine the
presence of rodent urine
sodium thiosulfate is added to water sample bottles to - CORRECT ANSWERS-
inactivate chlorine in water
minimum separation distance are required and specified between the disposal
field and: - CORRECT ANSWERS-dwelling, property line, water course, and well
(all of the above)
NIOSH is the research arm of: - CORRECT ANSWERS-OSHA
the mandated public health activities listed in title 8-chapter 52 on the NJ
administrative code are known as: - CORRECT ANSWERS-core activities
the legal definition of air pollution in NJ states that is the presence of one or
more air contaminants in the - CORRECT ANSWERS-outdoor atmosphere
the venetians took important steps toward the control of communicable
diseases when the introduced the practice of isolating ships that were under
suspicion of carrying epidemic diseases. This practice is called - CORRECT
ANSWERS-quarintine
the term commonly used when a pathogenic organism enters and multiplies in
the blood of a susceptible host is: - CORRECT ANSWERS-septicemia
1|Page
,which of the following organisms produces an environmentally resistant spore?
- CORRECT ANSWERS-clostridium botulinum
a type of resource recovery program currently approved by NJ that, via special
permit, allows clams to be taken from marginally polluted waters and cleansed
prior to release for market sale is - CORRECT ANSWERS-depuration
in taking a lab sample for water microbiology, you should: - CORRECT
ANSWERS-use a sterile container, take at least 100 ml for total coliform, keep
the sample cold and have the sample analyzed within 30 hrs (all of the above)
in collecting a water sample for volatile organic compounds, you need -
CORRECT ANSWERS-a 40ml glass vial with septum seal and an acid preservative
in choosing a laboratory, health departments must make sure - CORRECT
ANSWERS-they are NJDEPE certified for the test you want performed
good public health management requires - CORRECT ANSWERS-intelligence,
organizational behavior, human resources, firm knowledge in health and
epidedemiology. (all of the above)
mixed construction/demolition material consisting of wood, metal, brick and
concrete is considered a source separated recyclable and can be used as clean
fill - CORRECT ANSWERS-false
which of the following characteristics may cause a chemical to be categorized
as hazardous? - CORRECT ANSWERS-flammable, toxic, corrosive, explosive (all
of the above)
which of the following act as sources of oxygen into a surface water? -
CORRECT ANSWERS-atmospheric reaeration and photosynthesis
(both c and d)
bacteria reproduce by - CORRECT ANSWERS-fission
which of the following is not a method of classifying viruses - CORRECT
ANSWERS-gram stain reaction
which of the following is not a method of classifying bacteria? - CORRECT
ANSWERS-presence or absence of spikes on the membranous envelop
the new jersey worker and community right to know act - CORRECT ANSWERS-
establishes a program for the disclosure of hazardous chemical substance
information and it helps people in making informed decisions about the
2|Page
, chemicals they work with and may be exposed to in their communities (A and
C)
if you ever wanted to know what hazardous chemicals are present at a covered
facility what would you refer to? - CORRECT ANSWERS-the right to know survey
what agency will provide copies of the right to know survey for public and
private sector facilities and hazardous substance fact sheets to anyone who
makes a request? - CORRECT ANSWERS-right-to-know county lead agencies
How should shellfish be stored in a retail food establishment? - CORRECT
ANSWERS-ice
What organ is radon most likely to affect? - CORRECT ANSWERS-lungs
If an inspector were to inspect a youth camp, which of the following would he
ask to see? - CORRECT ANSWERS-pool log containing ph and cl readings, written
camp policies, proof of insurance, and administrative credentials (all of the
above)
A small pond near a farm experienced an algae bloom. Which of the following
was most likely the cause - CORRECT ANSWERS-Fertilizer runoff causing an
increase in nitrogen and phosphorus
Why are animals used in laboratory testing of chemicals as opposed to humans?
- CORRECT ANSWERS-Test results using animals can be analyzed in a much
shorter period of time than if humans were to be used.
Which of the following is least likely to occur as a product of air pollution? -
CORRECT ANSWERS-gastrointestinal problems
During lunch break, a group of construction workers noticed an unusually high
amount of Rattus rattus running around. This is probably due to the fact that: -
CORRECT ANSWERS-There has been a recent demolition of several blighted two
story houses
How is the concentration of radon measured? - CORRECT ANSWERS-PCi/L;
picocuries / liter
What is the most likely source of childhood lead poisoning? - CORRECT
ANSWERS-old painted windows
What is the best source of protection against radioactivity? - CORRECT
ANSWERS-lead
3|Page
