NEHA REHS/RS Exam 2026 Questions
and Answers
The Inverse Square Law is commonly used
in which environmental health program
areas to calculate the intensity or strength
of a substance at a specified distance from
the point source?
a. radiation, lighting, and noise
b. noise, air emissions, and radiation
c. radiation, fluoridation in water,
lighting, and noise
d. lighting, sewage contamination in
stream, and air emissions - Answer -A
If 15x + 3 = 7x - 13, then x equals
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, a. - 2.0
b. +2.0
c. +2.5
d. +4.0 - Answer -A
What is the legal term which describes the
failure to perform an official duty as an
Environmental Health Specialist without
sufficient excuse?
a. malfeasance
b. misfeasance
c. nonfeasance
d. criminal responsibility - Answer -C
In the field of public health law, state
government's police power is an attribute
of a sovereign government; whereas, the
federal government is a government of
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
and Answers
The Inverse Square Law is commonly used
in which environmental health program
areas to calculate the intensity or strength
of a substance at a specified distance from
the point source?
a. radiation, lighting, and noise
b. noise, air emissions, and radiation
c. radiation, fluoridation in water,
lighting, and noise
d. lighting, sewage contamination in
stream, and air emissions - Answer -A
If 15x + 3 = 7x - 13, then x equals
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, a. - 2.0
b. +2.0
c. +2.5
d. +4.0 - Answer -A
What is the legal term which describes the
failure to perform an official duty as an
Environmental Health Specialist without
sufficient excuse?
a. malfeasance
b. misfeasance
c. nonfeasance
d. criminal responsibility - Answer -C
In the field of public health law, state
government's police power is an attribute
of a sovereign government; whereas, the
federal government is a government of
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2