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sanitarian exam questions and answers | actual solutions
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sanitarian exam questions and answers |actual solutions
Most effective way to remove mosquitoes from an area? CORRECT ANSWERS
remove breeding ground
Best way to keep radon out of a house? CORRECT ANSWERS seal cracks in floors
and provide ventilation
In plumbing, what is a trap or a catch used for? CORRECT ANSWERS catch solid
materials from entering wastewater system
What is true about alpha particles? CORRECT ANSWERS not dangerous to life unless
ingested or inhaled
If you are denied inspection, what do you do? CORRECT ANSWERS Contact an
immediate supervisor and the police
Act that regulates food inspections? CORRECT ANSWERS Food, Drug and Cosmetic
Act
Best soil for subsurface drain field? CORRECT ANSWERS yellow, red or brown
What does g/ml measure? CORRECT ANSWERS density
What vector is responsible for the spread of the plague? CORRECT ANSWERS fleas
Agents of yellow fever? CORRECT ANSWERS Aedes (mosquitos)
Employees in a lab using salmonella which is not aerobic must do all but what?
CORRECT ANSWERS have clothing disinfected before washing
Agency an employer would check with to see if they are in compliance with employee
handling of hazardous materials? CORRECT ANSWERS OSHA
#1 component of sewage? CORRECT ANSWERS water
What causes EPA to say substance is toxic? CORRECT ANSWERS When material is
composed of clear toxic material and/or it is listed as a hazardous material and/or it is
listed as a hazardous chemical
What is sarin? CORRECT ANSWERS A toxic chemical. Colorless, odorless liquid used
as a gas chemical weapon
,What chemical is added to decrease chlorine in water? CORRECT ANSWERS Sodium
Thiosulfate
What is the process in order for water filtering? CORRECT ANSWERS Coagulation,
flocculation, sedimentation, filtration
Goal of HACCP? CORRECT ANSWERS prevent contamination
How long do tags need to be kept for shell fish? CORRECT ANSWERS 90 days
How can you tell a chilled fish is fresh/not fresh? CORRECT ANSWERS fresh: Red
gills, no foul odor, bright eyes, no slime, elastic flesh
Not fresh: sunken eyes, foul odor, slime, non-elastic flesh
Why would you test water for bacteria? CORRECT ANSWERS to see if it is potable
Best test for water quality? CORRECT ANSWERS 5 day BOD
What is the most important thing when taking a sample of milk back to a lab for testing?
CORRECT ANSWERS Have sanitary equipment and/or utensils
How do you prevent trichinosis? CORRECT ANSWERS thoroughly cook pork
Why is it necessary to keep PHF's at 40 degrees or lower? CORRECT ANSWERS
slows bacteria growth
What is the difference between OSHA and NIOSH? CORRECT ANSWERS OSHA-
responsible for reducing worker injury, illness and death caused by workplace hazards
(enforcement)
NIOSH-conducts research to address problems in occupational safety and health; trains
workforce, makes recommendations to OSHA
Best item to remove vapors? CORRECT ANSWERS activated charcoal
What is the order of steps to take when arriving at an emergency situation? CORRECT
ANSWERS Identify the problem, protect self, secure scene, call for help
Most common reason for Food Borne Illness? CORRECT ANSWERS improper
temperatures during holding
What can municipal sewage treatment plants use treated water for? What is preferred?
CORRECT ANSWERS Surface Irrigation; preferred: sanitary sewer, injection well,
spray irrigation
What causes cognitive problems/learning disabilities in kids after ingesting? CORRECT
ANSWERS lead
,What can cause babies to turn blue? CORRECT ANSWERS nitrates in drinking water
What is the best way to keep flies from a community? CORRECT ANSWERS Proper
environmental sanitation policies and procedures
Proper way to calibrate a stem thermometer? CORRECT ANSWERS ice and water
bath for 3 minutes
What gives inspectors the right to inspect, detain and even destroy food? CORRECT
ANSWERS police power
What is the Hazardous Communication Standards? CORRECT ANSWERS To ensure
that employees are aware of potential hazards in the workplace
How long do you let the water run before collecting a sample? CORRECT ANSWERS
2-3 minutes
A person without symptoms, but is still shedding the disease is called a? CORRECT
ANSWERS carrier
Boiling an item for 30 min may not remove what? CORRECT ANSWERS clostridium
What is the best option for a small community installing a sewage system? CORRECT
ANSWERS slow sand filter
A community is located above a bathing beach and a potential sewage spill has
occurred. What is the FIRST thing an inspector should do? CORRECT ANSWERS
notify public of potential hazard
Modified Oxygen Packaging (MOP) and Sous Vide are examples of what? CORRECT
ANSWERS Reduced air packaging which is where they remove or replace oxygen
Dried fruit is shelf stable because? CORRECT ANSWERS low water activity
At what point is water activity too low for bacterial growth? CORRECT ANSWERS 0.85
Most common reasons for Nosocomial diseases (diseases occurring in healthcare
facilities) is? CORRECT ANSWERS Population that is highly susceptible, easy modes
of transmission
When potable water is combined with sewage water, this is called? CORRECT
ANSWERS cross-connection
What are the characteristics of hazardous waste? CORRECT ANSWERS Flammable,
corrosive, reactive, toxic
, A group of people are complaining of a FBI (food-borne illness) occurring 4 hours after
eating. What should you suspect? CORRECT ANSWERS staph
The presence of what indicates fecal contamination in drinking water? CORRECT
ANSWERS e. coli
A liquid that is caused by rain going through a landfill and picking up bacteria is called?
CORRECT ANSWERS leachate
What factor of soil determines the effectiveness of a drainfield? CORRECT ANSWERS
Permeability or texture or structure
If the pH of a pool is increased, how does this affect the chlorine in the pool?
CORRECT ANSWERS Decreases its effectiveness
What factor would contribute to eye irritation in a pool? CORRECT ANSWERS pH of
7.4, Turbidity of 8, chlorine level at 4, residual chlorine level of .45
What causes scromboid poisoning? CORRECT ANSWERS Histamines in the muscles
of fish
What is the purpose of Blanching a food item? CORRECT ANSWERS Inactivates
enzymes, longer shelf-life
What is the minimum separation required from the bottom of a drain field to ground
water? CORRECT ANSWERS 2 feet
What organization oversees the use of food additives? CORRECT ANSWERS FDA
What are the differences between epidemic and endemic? CORRECT ANSWERS
Epidemic - affects more than the expected number of cases of disease occurring in a
community or region during a given period of time. A sudden severe outbreak with in a
region or a group.
Endemic - present in a community at all times but in low frequency
What is the process called when organisms are killed by heat disinfection? CORRECT
ANSWERS pasteurization
What is the best way to remove algae growth? CORRECT ANSWERS remove
phosphorus
When looking at the signs on the back of trucks carrying hazardous cargo, what do the
numbers mean? What are the colors and what do they mean? CORRECT ANSWERS
0-4, zero is least harmful
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