RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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
Page 1 RS_ REHS Practice Questions.pdf
,RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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)
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,RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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
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, RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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
Page 4 RS_ REHS Practice Questions.pdf
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
Page 1 RS_ REHS Practice Questions.pdf
,RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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)
Page 2 RS_ REHS Practice Questions.pdf
,RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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
Page 3 RS_ REHS Practice Questions.pdf
, RS_ REHS Practice Questions RS_ REHS Practice Questions 2/18/2026
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
Page 4 RS_ REHS Practice Questions.pdf
