REHS/RS study guide Exam 2026
Questions and Answers
What is the most common cause of bacterial meningitis in children under 5 years
of age? - Correct answer-Haemophilus influenzae
How is "giardiasis" usually transmitted to others? - Correct answer-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 intended to
ensure that the public's health and welfare are protected? - Correct answer-
Regulatory responsibilities
Which of the following is a measure of the amount of light scattered by particles
suspended in a water test sample? - Correct answer-Nephelometric Turbidity units
What is an epidemic? - Correct answer-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? - Correct answer-Skin
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, Swimmer's itch is a common name for which of the following diseases? - Correct
answer-Schistosomiasis
Which of the following factors would LEAST contribute to the emergence of a
new infectious disease? - Correct answer-Heat disinfection
Listeriosis is commonly associated with - Correct answer-contaminated food
Hemolytic uremic syndrome is caused by infection with - Correct answer-
Escherichia Coli
The basic principles of disease control include all of the following EXCEPT -
Correct answer-Lag phase - disease control has control mode of transmission and
susceptibility
Which one of the following phrases MOST accurately describes the term endemic?
- Correct answer-constant presence of an illness
The interval between exposure to an infectious agent and the appearance of the
first symptom is called the: - Correct answer-incubation period
An establishment known to have imminent health hazards is not closed by the
inspecting regulatory authority. This example BEST fits the definition of a: -
Correct answer-nonfeasance
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Questions and Answers
What is the most common cause of bacterial meningitis in children under 5 years
of age? - Correct answer-Haemophilus influenzae
How is "giardiasis" usually transmitted to others? - Correct answer-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 intended to
ensure that the public's health and welfare are protected? - Correct answer-
Regulatory responsibilities
Which of the following is a measure of the amount of light scattered by particles
suspended in a water test sample? - Correct answer-Nephelometric Turbidity units
What is an epidemic? - Correct answer-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? - Correct answer-Skin
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Swimmer's itch is a common name for which of the following diseases? - Correct
answer-Schistosomiasis
Which of the following factors would LEAST contribute to the emergence of a
new infectious disease? - Correct answer-Heat disinfection
Listeriosis is commonly associated with - Correct answer-contaminated food
Hemolytic uremic syndrome is caused by infection with - Correct answer-
Escherichia Coli
The basic principles of disease control include all of the following EXCEPT -
Correct answer-Lag phase - disease control has control mode of transmission and
susceptibility
Which one of the following phrases MOST accurately describes the term endemic?
- Correct answer-constant presence of an illness
The interval between exposure to an infectious agent and the appearance of the
first symptom is called the: - Correct answer-incubation period
An establishment known to have imminent health hazards is not closed by the
inspecting regulatory authority. This example BEST fits the definition of a: -
Correct answer-nonfeasance
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
