REHS EXAM STUDY GUIDE (ACTUAL 2025/2026) QUESTIONS
WITH 100% VERIFIED CORRECT ANSWERS | LATEST VERSION
Tapeworm infection is probably due to:
echinococcus
most outdoor air emissions are derived from
transportation
indoor air quality depends on
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:
COD
a black light is used by food inspectors to
determine the presence of rodent urine
,Why would the fecal coliform count be perrefered to total coliform?
it is an indicator of warm blooded animals
A chemical reaction occurs when chlorine is added to water. The pH
of the end product is 8.00. Which of the following equations is the
best representation of the reaction?
HOCL-----> H+ OCL-
which process is least likely to occur in a septic system
removal of BOD
What does the term "bulking" refer to in sewage treatment?
Flocculants in primary treatment contain sheathed bacteria and would
not settle.
ppb ( parts per billion ) of a chemical is best represented as
12 ug/l
,In case of an overturned truck containing radioactive material, the
best way of preventing injury is by:
time, distance, shielding
What's the reason for having air moving and ventilation in a
manufacturing plant?
A.To prevent build-up of vapors
A hunter shot and subsequently skinned rabbits without wearing
gloves. He then experiences ulcers on his hands and lymph node
swelling. He probably has contacted:
Tularemia
Which of the following diseases, caused by a mite, has been
frequently confused with chicken pox?
Rickettsial Pox
Organism which grow at low temperatures are:
Psychrophilic
Keeping hot foods hot and cold foods cold refers to temperatures?
, Less than 41f and greater than 135f
Tapeworm infection is probably due to:
Echinococcus
Flocculation is best defined as:
The bringing together of suspended particles
Which of the following is not true concerning Q Fever?
It's never transmitted person to person
Halo organics are:
Organic compounds that have Br- or Cl- in their structure.
The formation of halo-organic in drinking water is most important
because:
The compound may be carcinogenic.
The primary pollutant from a company burning fossil fuel is:
WITH 100% VERIFIED CORRECT ANSWERS | LATEST VERSION
Tapeworm infection is probably due to:
echinococcus
most outdoor air emissions are derived from
transportation
indoor air quality depends on
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:
COD
a black light is used by food inspectors to
determine the presence of rodent urine
,Why would the fecal coliform count be perrefered to total coliform?
it is an indicator of warm blooded animals
A chemical reaction occurs when chlorine is added to water. The pH
of the end product is 8.00. Which of the following equations is the
best representation of the reaction?
HOCL-----> H+ OCL-
which process is least likely to occur in a septic system
removal of BOD
What does the term "bulking" refer to in sewage treatment?
Flocculants in primary treatment contain sheathed bacteria and would
not settle.
ppb ( parts per billion ) of a chemical is best represented as
12 ug/l
,In case of an overturned truck containing radioactive material, the
best way of preventing injury is by:
time, distance, shielding
What's the reason for having air moving and ventilation in a
manufacturing plant?
A.To prevent build-up of vapors
A hunter shot and subsequently skinned rabbits without wearing
gloves. He then experiences ulcers on his hands and lymph node
swelling. He probably has contacted:
Tularemia
Which of the following diseases, caused by a mite, has been
frequently confused with chicken pox?
Rickettsial Pox
Organism which grow at low temperatures are:
Psychrophilic
Keeping hot foods hot and cold foods cold refers to temperatures?
, Less than 41f and greater than 135f
Tapeworm infection is probably due to:
Echinococcus
Flocculation is best defined as:
The bringing together of suspended particles
Which of the following is not true concerning Q Fever?
It's never transmitted person to person
Halo organics are:
Organic compounds that have Br- or Cl- in their structure.
The formation of halo-organic in drinking water is most important
because:
The compound may be carcinogenic.
The primary pollutant from a company burning fossil fuel is:
