REHS PAPER CORRECT QUESTIONS AND
ANSWERS RATED A+
✔✔Which of the following methods below would result in the least amount of garbage? -
✔✔recylcing
✔✔Infections that occur in a person with AIDS are caused primarily by -
✔✔opportunistic infections
✔✔Which of the following is required between a wading pool and a swimming pool? -
✔✔six feet deck of space
✔✔When inspecting a public bathing place, which of the following are required? -
✔✔ring buoy, pool water log, emergency phone numbers and lifeguard on duty (all of
the above)
✔✔Which of the following is an example of simple asphyxiation? - ✔✔inert gas that
displaces oxygen in the lungs
✔✔Which of the following has the greatest penetrating power? - ✔✔gamma rays-
electromagnetic
✔✔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: - ✔✔S02
✔✔A colorless, pungent odor released from fossil fuel plants is: - ✔✔S02
✔✔The three chemicals of main concern as environmental pollutants are: - ✔✔ozone,
acid gases and particulates
, ✔✔The importance of using chemicals to treat trihalomethanes is because: - ✔✔it is
carcinogenic
✔✔Impulse noise is best defined as: - ✔✔A loud blast from a firecracker
✔✔Which is not significant in minimizing hazardous exposure in the work place? -
✔✔.Circulate air so it wouldn't blow in the faces of the workers
✔✔TOC can best be defined as: - ✔✔Total organic carbon
✔✔TLV can be best defined as: - ✔✔Thres-hold limiting value
✔✔Which type of soil would be present the most difficulty in the vertical flow of water in
a septic system? - ✔✔clay
✔✔In a floor plan for a retail food establishment, which of the following should be
identified? - ✔✔refrigeration units, cleaning areas, dry storage, food preparation areas
(all of the above)
✔✔Which of the following is the best definition of incidence rate? - ✔✔The number of
newly acquired cases of a disease
✔✔Which is not true of RBC in wastewater treatment? - ✔✔It is a completely anaerobic
process
✔✔Sterilization is: - ✔✔The complete removal of all life
✔✔Which of the following would be considered safe? - ✔✔Water fountain with spout
above the rim
✔✔What is the major food associated with salmonella? - ✔✔poultry
✔✔When should a load of dishes be put in through the washer in a retail food
establishment? - ✔✔immediately after each use
✔✔The process which kills all forms of microbial life: - ✔✔sterilization
✔✔Which of the following is a biological treatment process? - ✔✔RBC: SECONDARY
✔✔Synergism is best defined as: - ✔✔the total is greater than the sum of the parts
✔✔an open dump is: - ✔✔an improper method of waste disposal
ANSWERS RATED A+
✔✔Which of the following methods below would result in the least amount of garbage? -
✔✔recylcing
✔✔Infections that occur in a person with AIDS are caused primarily by -
✔✔opportunistic infections
✔✔Which of the following is required between a wading pool and a swimming pool? -
✔✔six feet deck of space
✔✔When inspecting a public bathing place, which of the following are required? -
✔✔ring buoy, pool water log, emergency phone numbers and lifeguard on duty (all of
the above)
✔✔Which of the following is an example of simple asphyxiation? - ✔✔inert gas that
displaces oxygen in the lungs
✔✔Which of the following has the greatest penetrating power? - ✔✔gamma rays-
electromagnetic
✔✔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: - ✔✔S02
✔✔A colorless, pungent odor released from fossil fuel plants is: - ✔✔S02
✔✔The three chemicals of main concern as environmental pollutants are: - ✔✔ozone,
acid gases and particulates
, ✔✔The importance of using chemicals to treat trihalomethanes is because: - ✔✔it is
carcinogenic
✔✔Impulse noise is best defined as: - ✔✔A loud blast from a firecracker
✔✔Which is not significant in minimizing hazardous exposure in the work place? -
✔✔.Circulate air so it wouldn't blow in the faces of the workers
✔✔TOC can best be defined as: - ✔✔Total organic carbon
✔✔TLV can be best defined as: - ✔✔Thres-hold limiting value
✔✔Which type of soil would be present the most difficulty in the vertical flow of water in
a septic system? - ✔✔clay
✔✔In a floor plan for a retail food establishment, which of the following should be
identified? - ✔✔refrigeration units, cleaning areas, dry storage, food preparation areas
(all of the above)
✔✔Which of the following is the best definition of incidence rate? - ✔✔The number of
newly acquired cases of a disease
✔✔Which is not true of RBC in wastewater treatment? - ✔✔It is a completely anaerobic
process
✔✔Sterilization is: - ✔✔The complete removal of all life
✔✔Which of the following would be considered safe? - ✔✔Water fountain with spout
above the rim
✔✔What is the major food associated with salmonella? - ✔✔poultry
✔✔When should a load of dishes be put in through the washer in a retail food
establishment? - ✔✔immediately after each use
✔✔The process which kills all forms of microbial life: - ✔✔sterilization
✔✔Which of the following is a biological treatment process? - ✔✔RBC: SECONDARY
✔✔Synergism is best defined as: - ✔✔the total is greater than the sum of the parts
✔✔an open dump is: - ✔✔an improper method of waste disposal
