Sanitarian Exam Study Guide 2023 with
complete solution
What is the correct order for warewashing? Answer- wash-rinse-sanitize-airdry
Employees should wash their hands for a minimum of? Answer- 20 seconds
What animal is most likely to carry rabies? Answer- Bats
How often should a restaurant septic be inspected? Answer- anually
What are some degradable pollutants? Answer- Oil and Grease, Organic Matter,
Phenols, Cyanides, ammonia, nitrites, and organic nitrogen
What are some non degradable pollutants? Answer- Extremely decay resistant.
Sulfates, Metallic Salts, Hard detergents
What is a physical cross connection? Answer- A connection which may allow the flow
from an unapproved water supply into a potable water supply
Flushometer valve Answer- is a device, which discharges a predetermined quantity of
water
into fixtures for flushing purposes and is actuated by direct water pressure
A flushometer value is protected by Answer- A non-pressure type vacuum breaker
Who is the senior emergency response official responding to an emergency? AnswerAn incident commander
During a disaster, health personnel are Answer- First responders
How do you lower calcium hardness? Answer- Add 1 pound if anhydrous trisodium
phosphate per 10,000 gallons of water. This reduces hardness by 11 ppm
What type of radiation can not go through paper? Answer- Alpha particles
What vector caused the Bubonic Plague? Answer- Fleas
Streams, Lakes, and Ponds are: Answer- Surface Water
Cockroaches are known to transmit: Answer- Salmonella
Peron-to-person transfer of cysts from the feces of the infected individual is: AnswerGiradaisis
How often should a child be tested for lead poisoning? Answer- 1-3 months
What will raise the alkalinity and pH of water? Answer- Baking soda (sodium
bicarbonate)
Soda Ash Answer- Sodium Carbonate, used to raise the pH in water
What type of acid keeps chlorine constant? Answer- Cynauric Acid
What does muratic acid and sodium bisulfate do to pool chemistry? Answer- Lowers
alkalinity and pH
A pH of 6.8 is considered? Answer- Slightly acidic
What is the most common cause of bacterial meningitis in children 5 years of age and
younger? Answer- Haemophils Influenzae Type B
In disaster housing, how far must the beds be apart? Answer- 3 ft
Who declares a state of emergency? Answer- The governor
Who is most affected by TB? Answer- Either urban areas or young adults entering the
workforce?
What is a measure of the amount of light scattered particles by particles suspended in a
water test sample? Answer- NTU Nephelometric Turbidity Units
What is an epidemic? Answer- the occurrence in a community or region of cases of an
illness clearly in excess of expectancy
What is the most effective method to prevent ticks when entering a tick infested area?
Answer- Pull your socks over your trousers
Portal of entry a field sanitarian should protect to avoid Lyme’s Disease? Answer- Skin
(Dermal)
What type of disease leaves lesions on your skin? Answer- Lyme’s Disease? or Rocky
Mountain Spotted Fever
Swimmers Itch Answer- Schistosomiasis
Traps in Plumbing are designed to Answer- prevent sewer gasses from entering the
house
What is the correct order for warewashing?
wash-rinse-sanitize-airdry
Employees should wash their hands for a minimum of?
20 seconds
What animal is most likely to carry rabies?
Bats
How often should a restaurant septic be inspected?
anually
What are some degradable pollutants?
Oil and Grease, Organic Matter, Phenols, Cyanides, ammonia, nitrites, and organic nitrogen
What are some non degradable pollutants?
Extremely decay resistant. Sulfates, Metallic Salts, Hard detergents
What is a physical cross connection?
A connection which may allow the flow from an unapproved water supply into a potable water supply
Flushometer valve
is a device, which discharges a predetermined quantity of water
into fixtures for flushing purposes and is actuated by direct water pressure
A flushometer value is protected by
A non-pressure type vacuum breaker
Who is the senior emergency response official responding to an emergency?
An incident commander
During a disaster, health personnel are
First responders
How do you lower calcium hardness?
Add 1 pound if anhydrous trisodium phosphate per 10,000 gallons of water. This reduces hardness by 11 ppm
What type of radiation can not go through paper?
Alpha particles
What vector caused the Bubonic Plague?
Fleas
Streams, Lakes, and Ponds are:
Surface Water
Cockroaches are known to transmit:
Salmonella
Peron-to-person transfer of cysts from the feces of the infected individual is:
Giradaisis
How often should a child be tested for lead poisoning?
1-3 months
What will raise the alkalinity and pH of water?
Baking soda (sodium bicarbonate)
Soda Ash
Sodium Carbonate, used to raise the pH in water
What type of acid keeps chlorine constant?
Cynauric Acid
What does muratic acid and sodium bisulfate do to pool chemistry?
Lowers alkalinity and pH
A pH of 6.8 is considered?
Slightly acidic
What is the most common cause of bacterial meningitis in children 5 years of age and younger?
Haemophils Influenzae Type B
In disaster housing, how far must the beds be apart?
3 ft
Who declares a state of emergency?
The governor
Who is most affected by TB?
Either urban areas or young adults entering the workforce?
What is a measure of the amount of light scattered particles by particles suspended in a water test sample?
NTU Nephelometric Turbidity Units
What is an epidemic?
the occurrence in a community or region of cases of an illness clearly in excess of expectancy
What is the most effective method to prevent ticks when entering a tick infested area?
Pull your socks over your trousers
Portal of entry a field sanitarian should protect to avoid Lyme’s Disease?
Skin (Dermal)
What type of disease leaves lesions on your skin?
Lyme’s Disease? or Rocky Mountain Spotted Fever
Swimmers Itch
Schistosomiasis
Traps in Plumbing are designed to
prevent sewer gasses from entering the house
What is the minimum lot size required to place an OSSF?
1/2 acre lot
Interval between exposure to an infectious agent and the onset of the first symptom
incubation period
Incubation Period for Dengue Fever
4-7 days
An establishment known to have imminent health hazards not closed by the inspecting regulatory authority is an example of:
non-feasance
Who regulates new additives in food?
FDA
HACCP is designed to:
Eliminate health hazards & establish strategies to prevent, eliminate, or reduce
Hazardous Waste Characteristics
TICR (Toxic, Ignitiable, Corrosive, Reactive)
When water quality is an issue:?
You should bring water to a rolling boil for at least a minute?
What is the most important thing to consider during a natural disaster?
Turn off utilities or have clean water?
What disease do cockroaches carry in their intestines?
Typhoid, Dysentery, Cholera, Leprosy, and Plague
What is the difference between total chlorine and combined chlorine?
Total Chlorine – Sum of free chlorine and combined chloine
Combined Chlorine – refers to chlorine that has combined directly with contaminants
Effectiveness of Chlorine
pH – High – Chlorine is less effective
pH – Low – Chlorine is more effective
An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety and welfare is called
embargo
Name the steps in the order of water treatment:
Coagulation, flocculation, sedimentation, filtration
Disaster relief is predominantly dependent on:
Prior Planning
gamma radition
dense and capable of penetrating deep flesh
Fermentation in a coliform test indicates:
Fecal coliform
What is a carrier?
someone who is still contagious or spreading disease but no longer exhibiting symptoms
What is the best method for absorbing gases and aerosols?
activated carbon
What does the presence of flies in a food establishment indicate?
???
What is the closest depth an absorptive drain field can be to a water supply?
24 inches
What determines the freshness of fish?
flexible flesh, red gills
Minimum time an oyster must keep its identification tags?
90 days
Solution for ware washing should have a chlorine content of?
50-99
Co2 Poisoning Symptoms
Light headed, pale, dizziness, disoriented, weakness, flushed face
Food is not to be in the temperature danger zone longer than?
4 hours
Hantavirus is carried by?
the deer mouse
What should be added to the pool to raise pH?
Sodium Carbonate (Soda ash) or Sodium Bicarbonate (Baking Soda)
To raise total alkalinity, use:
Sodium Bicarbonate (Baking Soda)
How do you remove chlorine from a pool?
Sodium Thiosulfate and Hydrogen Peroxide
In what setting is bare hand contact with ready to eat foods entirely restricted?
day care center
What is a requirement of food establishment workers who handle ready to eat foods?
Wash and then sanitize
During a natural disaster, who is the primary point of reference?
Local and state agencies
What is the first step of HACCP?
Identify the hazard
How do agencies find out about public health threats?
???
What is a measure of water clarity and how much the material suspended in water decreases passage of light through water
Primary treatment involves what in waste water facilities?
- Screening 2. Grit Chamber 3. Sedimentation
What is the temperature danger zone?
40-140
Where do bacterial thrive?
Subsoil
You must be licensed by who to administer pesticides?
Texas Department of Agriculture (TDA)
In the event of a hazardous spill
You should consult the safety data sheet
What is the sole and only alternative method to a traditional OSSF system?
Oxidation Pond
What conditions require additional OSSF special planning requirements?
A 100 year floodplain
When a new subdivision is proposed? It is recommended that:
Add on to an existing if possible
What test indicates human pollution?
Coliform
Biomedical wastes are classified as:
Infectious and Chemical
Used fats and oils are classified as what kinds of wastes:
Industrial
What is degradable in a septic tank?
Sodium
What is the seepage of water into a sewage system?
Infiltration
To lower the pH in a pool:
Use muratic acid
Public Health Law is designed to:
issue involvements of the governments legal authorities, to ensure the conditions for people to be health and balance the authority and duties
What is misfeasance?
Performance of an authorized act in an unauthorized manner
What is the Public Health Service responsible for?
the preparation of documents to guide environmental health administrators and planners in development of programs
What type of bacteria contains the most pathogens?
Mesophilic
In a dry food storage room, the artificial lighting should provide a minimum of
a. 10-foot candles
b. 50-foot candles
c. 100-foot candles
d. 3-foot candles
10-foot candles
What is a requirement of an industries septic tank?
Have a grease trap
What species of fish eat mosquito larve?
Goldfish, Koi, Guppies, Bass (Mosquitofish? Gambusia Affins)
A backflow prevention device is used:
To allow water to flow in one direction but never in the opposite. Located near the water meter in a green or black plastic box
Hemolytic uremic syndrome is caused by
Escherichia coli O157:H7
Legal Permission to confiscate, retain, or dispose of something
Seizure Order
What are characteristics of NON-TCS foods?
Low water activity (aw < 0.85) and low pH (ph < 4.2)
The main goal of HACCP?
To prevent, eliminate, or reduce biological, chemical, or physical hazards to food
Human Disease of Aerosols in wastewater:
are related primarily to wastewater treatment by the activated sludge, trickling filter, and spray irrigation process
Who determines if a waste is hazardous?
RCRA (Resource Conservation and Recovery Association)
Hazardous Wastes have two categories:
- Characteristic
- Listed
What disposal method places waste on the side of a hill or slope?
Area method
What respirator provides the greatest protection?
SCBA – Self Contained Breathing Apparatus
Isotopes of the same element have different
mass numbers but the same atomic numbers
What are the four standards of OSHA?
Design, Performance, Vertical, and Horizontal
Liquids become gasses by
Evaporation
Synergism
When two pollutants are combined, the effects are greater than the sum of the individual effects
Smog comes from what two pollutants?
Sulphur Dioxide and Hydrogen Fluoride
What type of air pollution causes bleaching of leaves in plants?
Sulphur Dioxide
Most accepted form of cross connection?
An air gap
What is a cancer causing mineral?
Abestos
What is radon?
a carcinogenic gas that can enter homes through cracks in foundation ( have have inspected when buying a home)
The drain line of an ice machine should connect to the sewer system through
open receptacle with an air gap
A footing drain is required to:
Keep the foundation from slipping
Nosocomical
hospital acquired infection
What is the definition of a biohazard?
A material or condition that is infective in nature and that constitutes a threat to people and their environment
Total Residual Chlorine
The total concentration of residual free chlorine plus the residual of combined chlorine (free chlorine + combined)
What is combined chlorine?
Sum of chlorine and ammonia
What is stabilized chlorine?
Free chlorine combined with cyanuric acid
The generally prohibited swimming facility from a public health perspective is a
fill and draw pool
HAZWOPER Training
Requires 40-hours off-site safety training, 3 days of supervised field experience. Supervisors require 8 hours of additional training.
Requires the training of employees who handle emergency response activities
Key components of the HAZWOPER training exclude:
Sanitary requirements
The _ is responsible for preparation of documents to guide environmental health administrators and planners in the development of appropriate programs
Public Health Service
Where is cleaning in place common?
Food, Dairy, and Beverage Industries
Acronym used to remember the conditions in which microorganisms grow best
FATTOM
FATTOM
Food, Acidity, Temperature, Time, Oxygen, Moisture
How do you raise hardness in a pool?
Add calcium chloride (CaCl^2)
What affects 76 million Americans each year?
Food borne illness
What is a leading cause of cancer?
Automobile fumes
Meatloaf is to be left out of the temperature danger zone no longer than?
2 hours
Animal feeds are made out of what kinds of wastes?
Organic Wastes
The drain pipe in a swimming pool should be how many times large than the intake pipe?
4 times
A water hose connected to a utility sink faucet should be equipped with?
???
What is a common disease to watch in daycare a retention center?
HEP A
What disease is capable of invoking an annual pandemic?
Influenza?
Safe Drinking Water Act
set maximum contaminant levels for pollutants that may have adverse effects on human health.
Who collects field samples to determine if a water is potable?
The EPA
What water activity is best to limit bacteria growth (lowest it stops growing) 0.85. If above 0.85 it is dangerous
0.85
What is the first step in pest management?
Eliminate pest entry and harborage
Treated municipal wastewater can be used:
For groundwater recharge
Transpiration
Evaporation of water from the leaves of a plant
Well grouting is used:
To prevent contamination of the groundwater
Non chemical water treatment system:
Filtration
What should be done with crustacean shells after serving?
Discard
hospital hazardous material labeled red should be segregated at the source or segregated st the landfill
???
The incident command system comprises of:
COPLF Command, Operations, Planning, Logistics, Finance
What administrative order is set by states?
Statutes
potable
May be consumed in any desired amount without concern for adverse effects on health
Colilert test
-a test to indicate contamination by coliform bacteria in drinking water.
-qualitative test: test indicates presence or absence;
Ozone
The most powerful disinfectant used in water treatment
What should not be relied upon alone to produce bacterially safe water?
Filters
What types of contamination are found in water?
Biological, Chemical, and Physical
Treated water from a municipal waste source can be used for
Irrigating crops or groundwater recharge
What is an alternative system that can be used with subsurface sewage treatment systems?
Sand filter
An alternative method of a wastewater treatment plant is
An oxidation or stabilization pond
What 3 gasses are produced during decomposition?
Methane, CO2, and Hydrogen Sulfide
What is a hazardous waste manifest?
Multi copy shipping form which contains emergency response information specific to a certain waste
What type of soil is best for sewage treatment?
Yellow, brown, red
What is a requirement of vending machines storing a chicken Salado wrap?
Keep it out of the temperature danger zone