Correct Answers | Latest Version 2024 |
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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) Haemophilus influenzae type B - ✔✔d) Haemophilus influenzae 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 - ✔✔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 focused to protect the public's health
and welfare?
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 a body surface
c) The presence of infection in a host without clear, recognizable clinical 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
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
Swimmer's itch is a common name for which of the following diseases?
a) Leptospirosis
b) Subdural dermatitis
c) Schistosomiasis
d) Trichiniasis - ✔✔c) Schistosomiasis
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) 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 an infection with
a) dracunculus medinensis
b) staphylococcus aureus
c) escherichia coli O157:H7
d) salmonella typhimurium - ✔✔c) escherichia coli O157:H7
The basic principles of disease control include all of the following except
a) lag phase
b) control of disease source
c) mode of transmission
d) understanding susceptibility - ✔✔a) lag phase
Which one 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
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
, An environmental health specialist receives a cash payment from a restaurant operator in order to
receive a passing restaurant inspection score. This event is known as
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule - ✔✔a) malfeasance
An environmental health manager trains environmental health specialists on the operation of
environmental probe thermometers. In the interest of time, the manager omits a training section on safe
sheathing of the thermometer, and subsequently an environmental health specialist punctures their
finger and injures themselves. This is an example of
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule - ✔✔c) nonfeasance
An environmental health specialist informs vector control staff to perform "landing counts" on their skin
in a known mosquito breeding ground which is confirmed to be positive with West Nile virus. This is an
example of
a) malfeasance
b) misfeasance
c) nonfeasance
d) exclusionary rule - ✔✔b) misfeasance
Vehicleborne, vectorborne, or airborne are all examples of:
a) indirect mode of transmission
b) direct mode of transmission
c) hosts
d) life cycle sequences - ✔✔a) indirect mode of transmission