NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
Which component of clean, dry air as the smallest volume:
a. carbon monoxide
b. nitrogen dioxide
c. ammonia
d. sulfur dioxide -
correct answer ✅d. sulfur dioxide
How is giardiasis spread to others?
a. Person to person transfer of cysts from feces of an infected
individual.
b. Drinking unfiltered water from streams or lakes.
c. Drinking unboiled water from streams or lakes.
d. Drinking unchlorinated water from a municipal water distribution
system -
correct answer ✅a. Person to person transfer of cysts from feces
of an infected individual.
What is the most common cause of bacterial meningitis in children
under five years of age?
a. Neisseria Meningitides
,NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
b. Group B Streptococci
c. Streptococcus pneumonia
d. Hemophilus Influenza type B -
correct answer ✅d. Hemophilus Influenza type B
Which of the following duties of state and local health
departments/agencies is focused to protect the public's health and
welfare?
a. Community intensive planning
b. Statutory administrative action
c. Regulatory responsibility
d. Plan implementation -
correct answer ✅c. Regulatory responsibility
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)
,NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
d. Lorcetic Turbidity Units (LTU) -
correct answer ✅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 an infectious host without clear recognizable
symptoms
d. The occurrence in a community or region of cases of an illness
clearly in excess of expectancy. -
correct answer ✅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 -
correct answer ✅a. Skin
, NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
Swimmers itch is a common name for:
a. Leptospirosis
b. Subdural Dermititis
c. Schistosmiasis
d. Trichniasis -
correct answer ✅c. Schistosmiasis
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. Disinfection use -
correct answer ✅b. Heat disinfection
Listeriosis is commonly associated with:
a. contaminated water
b. contaminated food
Exam Questions & Answers (Grade
A+)
Which component of clean, dry air as the smallest volume:
a. carbon monoxide
b. nitrogen dioxide
c. ammonia
d. sulfur dioxide -
correct answer ✅d. sulfur dioxide
How is giardiasis spread to others?
a. Person to person transfer of cysts from feces of an infected
individual.
b. Drinking unfiltered water from streams or lakes.
c. Drinking unboiled water from streams or lakes.
d. Drinking unchlorinated water from a municipal water distribution
system -
correct answer ✅a. Person to person transfer of cysts from feces
of an infected individual.
What is the most common cause of bacterial meningitis in children
under five years of age?
a. Neisseria Meningitides
,NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
b. Group B Streptococci
c. Streptococcus pneumonia
d. Hemophilus Influenza type B -
correct answer ✅d. Hemophilus Influenza type B
Which of the following duties of state and local health
departments/agencies is focused to protect the public's health and
welfare?
a. Community intensive planning
b. Statutory administrative action
c. Regulatory responsibility
d. Plan implementation -
correct answer ✅c. Regulatory responsibility
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)
,NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
d. Lorcetic Turbidity Units (LTU) -
correct answer ✅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 an infectious host without clear recognizable
symptoms
d. The occurrence in a community or region of cases of an illness
clearly in excess of expectancy. -
correct answer ✅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 -
correct answer ✅a. Skin
, NEHA REHS 5th Addition Practice
Exam Questions & Answers (Grade
A+)
Swimmers itch is a common name for:
a. Leptospirosis
b. Subdural Dermititis
c. Schistosmiasis
d. Trichniasis -
correct answer ✅c. Schistosmiasis
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. Disinfection use -
correct answer ✅b. Heat disinfection
Listeriosis is commonly associated with:
a. contaminated water
b. contaminated food
