NEHA Study Guide UPDATED ACTUAL
Exam Questions and CORECT 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. Haemophilius influenzea type B - CORRECT ANSWER -d. Haemophilius influenza
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. -
CORRECT ANSWER -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 intended to ensure that the
public's health and welfare are protected?
a. Community-intensive planning.
b. Statutory administrative action.
c. Regulatory responsibilities.
d. Plan implementation. - CORRECT ANSWER -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) - 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 the body surface.
c. The presence of infection in a host without clear, recognizable clinic 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
Swimmer's itch is a common name for which of the following diseases?
a. Leptospirosis
b. Subdural dermatitis
c. Schistosomiasis
d. Trichiniasis - CORRECT ANSWER -c. Schistosomiasis
,Which of the following factors would LEAST contribute to the emergence of new infectious
disease?
a. Human behavior
b. Heat disinfection
c. Antibiotic use
d. Disinfectant use - CORRECT ANSWER -b. Heat disinfection
Listeriosis is COMMONLY associated with:
a. Contaminated water
b. Contaminated food
c. Infected mice
d. Infected birds - CORRECT ANSWER -b. Contaminated food
Hemolytic Uremic Syndrome is caused by infection with:
a. Dracunculus medinensis
b. Staphylococcus aureus
c. Escherichia coli 015 7:H7
d. Salmonella typhimurium - CORRECT ANSWER -c. Escherichia coli 015 7:H7
The basic principles of disease control include all of the following EXCEPT:
a. Lag phase
b. Control of disease source
c. Mode of transportaion
, d. Susceptibility - CORRECT ANSWER -a. Lag phase
Which 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 - CORRECT ANSWER -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 - CORRECT ANSWER -d. 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:
a. Malfeasance
b. Misfeasance
c. Nonfeasance
d. Controlling factor - CORRECT ANSWER -c. Nonfeasance
Vehicleborne, vectorborne, or airborne are all examples of:
a. indirect mode of transmission
Exam Questions and CORECT 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. Haemophilius influenzea type B - CORRECT ANSWER -d. Haemophilius influenza
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. -
CORRECT ANSWER -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 intended to ensure that the
public's health and welfare are protected?
a. Community-intensive planning.
b. Statutory administrative action.
c. Regulatory responsibilities.
d. Plan implementation. - CORRECT ANSWER -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) - 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 the body surface.
c. The presence of infection in a host without clear, recognizable clinic 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
Swimmer's itch is a common name for which of the following diseases?
a. Leptospirosis
b. Subdural dermatitis
c. Schistosomiasis
d. Trichiniasis - CORRECT ANSWER -c. Schistosomiasis
,Which of the following factors would LEAST contribute to the emergence of new infectious
disease?
a. Human behavior
b. Heat disinfection
c. Antibiotic use
d. Disinfectant use - CORRECT ANSWER -b. Heat disinfection
Listeriosis is COMMONLY associated with:
a. Contaminated water
b. Contaminated food
c. Infected mice
d. Infected birds - CORRECT ANSWER -b. Contaminated food
Hemolytic Uremic Syndrome is caused by infection with:
a. Dracunculus medinensis
b. Staphylococcus aureus
c. Escherichia coli 015 7:H7
d. Salmonella typhimurium - CORRECT ANSWER -c. Escherichia coli 015 7:H7
The basic principles of disease control include all of the following EXCEPT:
a. Lag phase
b. Control of disease source
c. Mode of transportaion
, d. Susceptibility - CORRECT ANSWER -a. Lag phase
Which 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 - CORRECT ANSWER -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 - CORRECT ANSWER -d. 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:
a. Malfeasance
b. Misfeasance
c. Nonfeasance
d. Controlling factor - CORRECT ANSWER -c. Nonfeasance
Vehicleborne, vectorborne, or airborne are all examples of:
a. indirect mode of transmission
