NEHA study guide Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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Course
NEHA
Institution
NEHA
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 - d. Incubation period
What portal of entry should a field sanitarian protect to avoid contracting L...
NEHA study guide
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 - d. Incubation period
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
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.
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. - 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)
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. -
d. The occurrence in a community or region of cases of an illness clearly in excess of expectancy.
Swimmer's itch is a common name for which of the following diseases?
a. Leptospirosis
b. Subdural dermatitis
c. Schistosomiasis
d. Trichiniasis - c. Schistosomiasis
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 - d. Haemophilius influenza type B
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 - 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 infection with:
a. Dracunculus medinensis
b. Staphylococcus aureus
c. Escherichia coli 015 7:H7
d. Salmonella typhimurium - 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 - 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 - d. Constant presence of an illness
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 - c. Nonfeasance
Vehicleborne, vectorborne, or airborne are all examples of:
a. indirect mode of transmission
b. Direct mode of transmission
c. Hosts
d. Life cycles - a. Indirect mode of transmission
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