RS/REHS Practice Questions 2026/2027 |
Exam Prep Material | Verified Questions &
Answers | A+
• Which of the following duties of state and local health agencies is focused to protect
the public's health and welfare?
a) Community-intensive planning
b) Statutory administrative action
c) Regulatory responsibilities
d) Plan implementation -✓✓c) Regulatory responsibilities
• Which of the following is a measure of the amount of light scattered by particles
suspended in a water test sample?
a) Formazin Turbidity Units (FTU)
b) Nephelometric Turbidity Units (NTU)
c) Hydrosyntalic Turbidity Units (HTU)
d) Lorcetic Turbidity Units (LTU) -✓✓b) Nephelometric Turbidity Units (NTU)
• What is an epidemic?
a) The constant presence of a disease within a community or region
b) The presence of an infectious agent on a body surface
c) The presence of infection in a host without clear, recognizable clinical symptoms
d) The occurrence in a community or region of cases of an illness clearly in excess of
expectancy -✓✓d) The occurrence in a community or region of cases of an illness
clearly in excess of expectancy
• What portal of entry should a field sanitarian protect to avoid contracting Lyme
disease?
a) Skin
b) Respiratory tract
c) Reproductive organs
d) Digestive tract -✓✓a) Skin
• Swimmer's itch is a common name for which of the following diseases?
a) Leptospirosis
b) Subdural dermatitis
c) Schistosomiasis
d) Trichiniasis -✓✓c) Schistosomiasis
• Which of the following factors would least contribute to the emergence of a new
infectious disease?
a) Human behavior
b) Heat disinfection
,c) Antibiotic use
d) Disinfectant use -✓✓b) Heat disinfection
• Listeriosis is commonly associated with
a) contaminated water
b) contaminated food
c) infected mice
d) infected birds -✓✓b) contaminated food
• Hemolytic Uremic Syndrome is caused by an infection with
a) dracunculus medinensis
b) staphylococcus aureus
c) escherichia coli O157:H7
d) salmonella typhimurium -✓✓c) escherichia coli O157:H7
• The basic principles of disease control include all of the following except
a) lag phase
b) control of disease source
c) mode of transmission
d) understanding susceptibility -✓✓a) lag phase
• Which one of the following phrases most accurately describes the term endemic?
a) sporadic occurrence of an illness
b) illnesses that exceed expected levels
c) all illnesses present at any one time
d) constant presence of an illness -✓✓d) constant presence of an illness
• The interval between exposure to an infectious agent and the appearance of the first
symptom is called the
a) transmission period
b) susceptible period
c) reactive period
d) incubation period -✓✓d) incubation period
• An environmental health specialist receives a cash payment from a restaurant
operator in order to receive a passing restaurant inspection score. This event is known
as
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule -✓✓a) malfeasance
• An environmental health manager trains environmental health specialists on the
operation of environmental probe thermometers. In the interest of time, the manager
omits a training section on safe sheathing of the thermometer, and subsequently an
,environmental health specialist punctures their finger and injures themselves. This is an
example of
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule -✓✓c) nonfeasance
• An environmental health specialist informs vector control staff to perform "landing
counts" on their skin in a known mosquito breeding ground which is confirmed to be
positive with West Nile virus. This is an example of
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule -✓✓b) misfeasance
• Vehicleborne, vectorborne, or airborne are all examples of:
a) indirect mode of transmission
b) direct mode of transmission
c) hosts
d) life cycle sequences -✓✓a) indirect mode of transmission
• An employer is held liable for the torts of its employees committed within the scope of
their employment. This is referred to as:
a) respondeat superior
b) parens patriae
c) substituted judgement
d) corporate privilege -✓✓a) respondeat superior
• Performance of an authorized act in an unauthorized manner is called
a) nonfeasance
b) misfeasance
c) malfeasance
d) disfeasance -✓✓b) misfeasance
• 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
a) injunction
b) withholding
c) embargo
d) seizure -✓✓c) embargo
• What is the federal agency that regulates food additives?
a) CDC
b) Consumer Product Safety Commission (CPSC)
c) Department of Agriculture
, d) Food and Drug Administration -✓✓d) Food and Drug Administration
• When a legal action is being prepared, one of the first steps a sanitarian should take is
to:
a) obtain a warrant
b) obtain a court order
c) keep accurate records
d) check with other agencies -✓✓c) keep accurate records
• How is the term "contamination" defined when used in connection with a
communicable disease?
a) infection of an individual or animal with pathogenic organisms
b) presence of pathogenic agents on a surface, article, or substance
c) transfer of a vector, regardless of time or the nature of the host
d) contact between two or more sources of infection -✓✓b) presence of pathogenic
agents on a surface, article, or substance
• What is the most common contributing factor to foodborne illness?
a) insect and rodent infestations
b) dirty equipment
c) incorrect labeling of containers
d) improper holding temperatures -✓✓d) improper holding temperatures
• Why are some foods classified as time/temperature control for safety?
a) they have a pH below 4.2
b) they have a water activity below 0.85
c) they support rapid growth of pathogenic microorganisms
d) they require rapid and thorough cooking -✓✓c) they support rapid growth of
pathogenic microorganisms
• Which food does not require refrigeration at 41F (5C)?
a) open container of garlic in oil
b) tofu
c) sliced/cut cantaloupe
d) UHT creamers -✓✓d) UHT creamers
• What is the best means of inhibiting the growth of microorganisms in fresh meat?
a) topical use of approved hypochlorite solutions
b) exposure to ultraviolet light for 30 minutes
c) chemical preservatives
d) adequate refrigeration and cleanliness -✓✓d) adequate refrigeration and cleanliness
• What is the maximum accumulated time that time/temperature control for safety food
can safely be exposed to the temperature danger zone?
a) 2 hours
Exam Prep Material | Verified Questions &
Answers | A+
• Which of the following duties of state and local health agencies is focused to protect
the public's health and welfare?
a) Community-intensive planning
b) Statutory administrative action
c) Regulatory responsibilities
d) Plan implementation -✓✓c) Regulatory responsibilities
• Which of the following is a measure of the amount of light scattered by particles
suspended in a water test sample?
a) Formazin Turbidity Units (FTU)
b) Nephelometric Turbidity Units (NTU)
c) Hydrosyntalic Turbidity Units (HTU)
d) Lorcetic Turbidity Units (LTU) -✓✓b) Nephelometric Turbidity Units (NTU)
• What is an epidemic?
a) The constant presence of a disease within a community or region
b) The presence of an infectious agent on a body surface
c) The presence of infection in a host without clear, recognizable clinical symptoms
d) The occurrence in a community or region of cases of an illness clearly in excess of
expectancy -✓✓d) The occurrence in a community or region of cases of an illness
clearly in excess of expectancy
• What portal of entry should a field sanitarian protect to avoid contracting Lyme
disease?
a) Skin
b) Respiratory tract
c) Reproductive organs
d) Digestive tract -✓✓a) Skin
• Swimmer's itch is a common name for which of the following diseases?
a) Leptospirosis
b) Subdural dermatitis
c) Schistosomiasis
d) Trichiniasis -✓✓c) Schistosomiasis
• Which of the following factors would least contribute to the emergence of a new
infectious disease?
a) Human behavior
b) Heat disinfection
,c) Antibiotic use
d) Disinfectant use -✓✓b) Heat disinfection
• Listeriosis is commonly associated with
a) contaminated water
b) contaminated food
c) infected mice
d) infected birds -✓✓b) contaminated food
• Hemolytic Uremic Syndrome is caused by an infection with
a) dracunculus medinensis
b) staphylococcus aureus
c) escherichia coli O157:H7
d) salmonella typhimurium -✓✓c) escherichia coli O157:H7
• The basic principles of disease control include all of the following except
a) lag phase
b) control of disease source
c) mode of transmission
d) understanding susceptibility -✓✓a) lag phase
• Which one of the following phrases most accurately describes the term endemic?
a) sporadic occurrence of an illness
b) illnesses that exceed expected levels
c) all illnesses present at any one time
d) constant presence of an illness -✓✓d) constant presence of an illness
• The interval between exposure to an infectious agent and the appearance of the first
symptom is called the
a) transmission period
b) susceptible period
c) reactive period
d) incubation period -✓✓d) incubation period
• An environmental health specialist receives a cash payment from a restaurant
operator in order to receive a passing restaurant inspection score. This event is known
as
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule -✓✓a) malfeasance
• An environmental health manager trains environmental health specialists on the
operation of environmental probe thermometers. In the interest of time, the manager
omits a training section on safe sheathing of the thermometer, and subsequently an
,environmental health specialist punctures their finger and injures themselves. This is an
example of
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule -✓✓c) nonfeasance
• An environmental health specialist informs vector control staff to perform "landing
counts" on their skin in a known mosquito breeding ground which is confirmed to be
positive with West Nile virus. This is an example of
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule -✓✓b) misfeasance
• Vehicleborne, vectorborne, or airborne are all examples of:
a) indirect mode of transmission
b) direct mode of transmission
c) hosts
d) life cycle sequences -✓✓a) indirect mode of transmission
• An employer is held liable for the torts of its employees committed within the scope of
their employment. This is referred to as:
a) respondeat superior
b) parens patriae
c) substituted judgement
d) corporate privilege -✓✓a) respondeat superior
• Performance of an authorized act in an unauthorized manner is called
a) nonfeasance
b) misfeasance
c) malfeasance
d) disfeasance -✓✓b) misfeasance
• 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
a) injunction
b) withholding
c) embargo
d) seizure -✓✓c) embargo
• What is the federal agency that regulates food additives?
a) CDC
b) Consumer Product Safety Commission (CPSC)
c) Department of Agriculture
, d) Food and Drug Administration -✓✓d) Food and Drug Administration
• When a legal action is being prepared, one of the first steps a sanitarian should take is
to:
a) obtain a warrant
b) obtain a court order
c) keep accurate records
d) check with other agencies -✓✓c) keep accurate records
• How is the term "contamination" defined when used in connection with a
communicable disease?
a) infection of an individual or animal with pathogenic organisms
b) presence of pathogenic agents on a surface, article, or substance
c) transfer of a vector, regardless of time or the nature of the host
d) contact between two or more sources of infection -✓✓b) presence of pathogenic
agents on a surface, article, or substance
• What is the most common contributing factor to foodborne illness?
a) insect and rodent infestations
b) dirty equipment
c) incorrect labeling of containers
d) improper holding temperatures -✓✓d) improper holding temperatures
• Why are some foods classified as time/temperature control for safety?
a) they have a pH below 4.2
b) they have a water activity below 0.85
c) they support rapid growth of pathogenic microorganisms
d) they require rapid and thorough cooking -✓✓c) they support rapid growth of
pathogenic microorganisms
• Which food does not require refrigeration at 41F (5C)?
a) open container of garlic in oil
b) tofu
c) sliced/cut cantaloupe
d) UHT creamers -✓✓d) UHT creamers
• What is the best means of inhibiting the growth of microorganisms in fresh meat?
a) topical use of approved hypochlorite solutions
b) exposure to ultraviolet light for 30 minutes
c) chemical preservatives
d) adequate refrigeration and cleanliness -✓✓d) adequate refrigeration and cleanliness
• What is the maximum accumulated time that time/temperature control for safety food
can safely be exposed to the temperature danger zone?
a) 2 hours
