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RS/ REHS Practice Questions with Accurate Answers
RS/ REHS Practice Questions with Accurate Answers
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RS/ REHS Practice Questions withAccurate Answers
What is the most common cause of bacterial meningitis in children under five
years of age?
a) Neisseria meningitides
b) Group B Streptococci
c) Streptococcus pneumoniae
d) Haemophilus influenzae type B - -d) Haemophilus influenzae type B
-How is "giardiasis" usually transmitted to others?
a) Person-to-person transfer of cysts from the feces of the infected individual
b) Drinking unfiltered water from streams and lakes
c) Drinking unboiled water from streams and lakes
d) Drinking inadequately chlorinated water from a municipal water
distribution system - -a) Person-to-person transfer of cysts from the feces of
the infected individual
-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
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