Procedures that are used to change the chemical, physical, or microbiological quality of water -answer- Water Treatment
A process of killing infectious agents outside the body by direct exposure to chemical or physical agents. -answer- Disinfection
A water treatment process that uses chlorine...
EFMB STUDY GUIDE EXAM 2024
Procedures that are used to change the chemical, physical, or microbiological quality of
water -answer- ✔Water Treatment
A process of killing infectious agents outside the body by direct exposure to chemical or
physical agents. -answer- ✔Disinfection
A water treatment process that uses chlorine or a chlorine compound. -answer-
✔Disinfection
A total contact time of at least ____ minutes is required for satisfactory water
disinfection. -answer- ✔30 minutes
____ and _______ will cause chlorine to evaporate/dissipate more rapidly; therefore,
periodic rechlorination of water may be required. -answer- ✔Heat & Sunlight
To rechlorinate a full 400-gallon water trailer with calcium hypochlorite, mix ____ (MRE)
spoonfuls of calcium hypochlorite from the 6- ounce bottle (or ___ ampules) with 1/2
canteen cup of water. -answer- ✔1 MRE Spoonful of calcium hypochlorite in 6 ounces
of water or 22 ampules with 1/2 canteen cup of water
Boiling water at a rolling boil for ___ to ___ minutes kills most organisms that are known
to cause intestinal diseases. In an emergency, even boiling water for ___ seconds will
help. -answer- ✔5-10 minutes, 15 seconds
True or False. Vehicles used for transporting food must be clean and completely
enclosed, if possible. Vehicles used for transporting garbage, trash, petroleum products,
or similar materials may be used for transporting food even if the vehicles haven't been
properly cleaned and sanitized. -answer- ✔False
______ hours cumulative time is the maximum such food can be in the danger zone
and not be a health hazard. After _____ hours in the danger zone, enough bacteria may
have grown in the food to cause foodborne disease outbreaks. -answer- ✔3 hours, 4
hours
Food items that can support the rapid growth of foodborne disease microorganisms are
called potentially hazardous foods (PHF). Any temperature between ___°F and ___ °F
is in the DANGER ZONE. -answer- ✔41 degrees-139 degrees (Fahrenheit)
The six factors that most often cause foodborne disease outbreaks are failure to:
1.) Refrigerate potentially hazardous cold foods and maintain a product temperature of
_____°F or below.
2.) Cook food to proper temperature.
EFMB STUDY GUIDE EXAM
,EFMB STUDY GUIDE EXAM
3.) Maintain potentially hazardous hot foods at a product temperature of _____°F or
above.
4.) Protect foods from cross-contamination.
5.) Use proper transportation and storage practices.
6.) Protect food contact surfaces, pots and pans, eating utensils, and cutting boards
from contamination. -answer- ✔1.) 40 degrees Fahrenheit or below
3.) 140 degrees Fahrenheit or above
In a standard mess kit laundry line, what is in each can? -answer- ✔1rst can- Scraps
(it's where the food goes)
2nd can- Hot soapy water (120-140 degrees Fahrenheit)
3rd can- Clear boiling water
4th can-Clear boiling water
Each mess kit laundry setup of four cans will support up to how many personnel? -
answer- ✔80 personnel
Latrines are located at least _______ yards downwind and gradient from the food
service facility. They are also located at least ______ feet from any unit ground water
source. -answer- ✔at least 100 yards (90 meters) from food
at least 100 feet (30 meters) from ground water supply
Garbage must not be buried within ___ _____ of any natural source of water, such as a
stream or well, used for cooking or drinking. -answer- ✔100 feet (30 meters)
Liquid and solid wastes produced under field conditions may amount to ____ pounds
per person per day, especially when shower facilities are available. -answer- ✔100
pounds (45 kilograms)
Liquid kitchen waste accumulates at the rate of ___ to ___ gallons per man per day. -
answer- ✔4-19 Liters per man per day
In temporary bivouac areas (1 to 3 days), the ________ latrine is used unless more
permanent facilities are provided for the unit. During short halts when troops are on a
march, each soldier uses a brief relief bag or a ______ latrine. ______ latrines are the
preferred human waste disposal devices for use during field exercises or missions. -
answer- ✔1-3 days= straddle trench latrine
short halts= cat hole latrine or brief relief bag
missions and exercises= chemical latrines
3 types of injuries? which one is an emergency? -answer- ✔Heat Cramps, Heat
Exhaustion, and Heat Stroke. Heat stroke is a medical emergency.
Two categories of Cold Injuries -answer- ✔Freezing and Non-Freezing
EFMB STUDY GUIDE EXAM
, EFMB STUDY GUIDE EXAM
3 influencing factors of cold injuries -answer- ✔Agent Factors, Environmental Factors,
and Host Factors
Name at least 6 host factors that influence cold injury. -answer- ✔Age, Rank, Previous
Cold Injury, Fatigue, Discipline, Training, and Experience.
Name the 3 environmental factors associated with cold injuries. -answer- ✔Weather,
Clothing, and Combat action
True or False. Tobacco and alcohol decrease peripheral circulation and make a soldier
more susceptible to frostbite. -answer- ✔True
True or False Blood pressure medications increase the circulation making the soldier
more susceptible to injury to the extremities. -answer- ✔False,Blood pressure
medications reduce the circulation making the soldier more susceptible to injury to the
extremities.
Malaria is a serious disease occurring most commonly in tropical and semitropical
regions. It is caused by a microscopic parasite carried by the ______ mosquito. Yellow
fever is a viral disease transmitted by the _____ mosquito. -answer- ✔Anopheles
carries malaria parasite
Aedes transmits yellow fever
four properties or characteristics of noise which determine whether a given noise is
likely to be hazardous to workers hearing. -answer- ✔Frequency, Intensity, Nature of
the Noise, Exposure Duration
4 routes of entry into the body of toxic industrial chemicals -answer- ✔Inhalation- most
important route of entry
Absorption- most common occupational disease seen is dermatitis.
Ingestion- occurs as a result of eating or smoking with contaminated hands,
contaminated utensils, or in contaminated areas.
Injection- Accidental injection may occur from the use of high pressure air or from liquid
lines rupturing, or from puncture wounds caused by contaminated objects.
4 diseases carried by rodents and the 3 diseases spread by rodents -answer-
✔Diseases Carried by Rodents: 1. Leptospirosis 2. Salmonellosis 3. Hantavirus 4. Rat
bite fever.
These arthropods are responsible for the spread of epidemic typhus. Also, name the
disease transmitted to humans by the rat flea. -answer- ✔The body louse is the
EFMB STUDY GUIDE EXAM
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