REHS 300 questions & Answers, 100%
Accurate, graded A+. Verified.
What is an emetic? Describe a few examples observed in Environmental Health. - ✔✔-It is a chemical
that induces vomiting. In E.H. emetics are used in
...
REHS 300 questions & Answers, 100%
Accurate, graded A+. Verified.
What is an emetic? Describe a few examples observed in Environmental Health. - ✔✔-It is a chemical
that induces vomiting. In E.H. emetics are used in Vector Control for rodent control, Red Squill
What does USDA stamp on meat signify? - ✔✔-The meat products have been processed and inspected
by the USDA (United State Department of Agriculture) and has passed food quality inspections
Mobile Home parks are monitored by what Federal agency? - ✔✔-Housing and Urban Development
(HUD)
What are the specific requirements for an OXIDATION (stabilization) POND? - ✔✔-The space (or area),
time (up to 60 days) and the depth (3 to 5 feet)
For community-wide noise panning, what is the most important contributor to that noise - ✔✔-
automobiles;routes and traffic
What types of laws are government protected from liability? - ✔✔-Sovereign immunity
What is grout seal? - ✔✔-this is the top space between a bored well and the ground. the seal is usually
concrete
What waste by-product is generated from sulfur oxide scrubbers? - ✔✔-Sulfuric acid. The sulfur oxide
reacts with the water in the scrubber to form acid. This is also an important reaction in the atmosphere
where the sulfur oxides react with the atmospheric moisture and forms acid rain.
What type of laws do the Health Department enforce? - ✔✔-Administrative (delegated laws)
You are asked to inspect and test for pH, conductivity, and heavy metals. What type of inspection are
you performing? - ✔✔-A hazardous waste inspection for metal plating facility
In most cities, nitrogen oxide (NOX) is what source of pollution? - ✔✔-Automobile exhaust
Search and inspection warrants are similar except? - ✔✔-with search warrants, the search requirements
are specific to a violation condition
When municipal water treatment facilities add fluoride into their water what is one of the most
important factors in calculating the dose? - ✔✔-the temperature of the water. the colder the water the
more flu0ride it absorbs
Who developed the Model Food Code? - ✔✔-The Food Drug Administration (FDA)
What law establishes the Environmental Impact Statement? - ✔✔-The National Environmental Policy
Act (NEPA)
What is the average holding time for septic tanks? - ✔✔-24 hours
What is does it mean where they refer to "CRADLE to GRAVE" - ✔✔-Whoever produces the hazardous
material, they are responsible for the chemical from the time they created (CRADLE) to it's final disposal
(GRAVE)
Murine typhus (endemic typhus) is commonly spread by - ✔✔-Infected rat flea Xenopsylla cheopis
defecates the wound
With most anaphylactic shock victims, if prompt medical assistance is not administered, death can
usually result from? - ✔✔-They stop breathing
Does the level of TOTAL DISSOLVED SOLIDS in water affect chlorine disinfection? If it is why? - ✔✔-NO
For hot water sanitizing what are the MINIMUM temperatures required in CURFFLaW and the Model
Food Code? - ✔✔-CURFFLaw is 180 degrees F for 30 sec
The Model Food Code is 171 degrees F for 30 sec
Describe what types of chlorinate hydrocarbon pesticides are and why they are banned from use in
U.S.A? - ✔✔-DDT, Chlordane, Linda are examples. They are very persistent in the environment (does not
biodegrade easily or quickly and affects the reproductive cycles of many wildlife.
FEMA responsibilities - ✔✔--make resources available to State or Local Emergency Response Efforts
-Goal is to lessen the impact of all types of Emergencies, before they occur and during
-Provide Direct Assistance
-Provide Professional and Technical Personnel
-Handle Requests for Federal Assistance or Assistance from other states
What is FEMA? - ✔✔-Federal Emergency Management Agency directs various federal agencies that deal
with disasters relating to public health and environmental health such as Environmental Protection
Agency (EPA) and Department of Health and Human Services (DHHS)
What is the Command Incident System? - ✔✔-Incident command system (ICS) is the statewide accepted
on the scene emergency or disaster response plan instituted by the police department, fire department,
search and rescue operations. and hazardous materials incidences.
What are the components that integrate ICS system together to control personnel, equipment, and
communications. - ✔✔-1. common terminology
2.modular organization
3. Integrated communication
4. Command Structure
5. Consolidated action plans
6. manageable range of control
7.designated incident facilities
8.Comprehensive resource management
Lag phase - ✔✔-bacteria is being transferred from one medium to another or the organism present are
in a slow growth mode due to cold or hot temperatures
Log phase - ✔✔-binary fusion, exponential division
Stationary phase - ✔✔-the amount of live bacteria is equal to dead bacteria.
Its running out of food or just too many organisms. Some organisms start to die off from their own
toxins
Decline phase - ✔✔-the amount of dead bacteria is great than live bacteria. A steady decline or die off
due to lack of food, toxins, moisture.
Chemical intoxication - ✔✔-result from toxic chemical entering the food processing chain and being
consumed in quantities that will result in sickness
Which incineration system is the most widely used in the USA? Briefly explain the batch process. - ✔✔--
Smoke incineration system is the most used widely in the USA
-A batch process means large batches are place within the incinerator and burned. The cycle must be
completed before a new batch of waste is burned. This is an intermittent method, but high temperature
must be maintained to prevent smoke
(1500 degrees F-1700 degrees F)
Why is methane and landfills important? Define the different states of a landfill. - ✔✔-Methane gas can
be converted to electricity for power
Aerobic state is between 4-60 days
Anaerobic state is after 60 days
Substandard Housing - ✔✔-refers to any building that has a condition that endanger the life, limb,
health, property, safety, or welfare of the public or the occupants
Slum - ✔✔-is an area where substandard housing predominates and overcrowding exists
What are the rules for inspecting substandard and slum housing? - ✔✔-the housing inspection should be
conducted in a quick and systematic way. The inspector should be able to quickly inspect each area of
the apartment unit, note the violations and proc
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