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EFMB Written Exam with Verified Answers| 100% Correct| Rated A+
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EFMB Written Exam with Verified Answers| 100% Correct| Rated A+
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EFMB Written Exam with Verified Answers| 100%Correct| Rated A+
This determines pitch? High pitched noises are more dangerous. - ✔✔FREQUENCY
The relative loudness of the noise expressed in decibels? - ✔✔INTENSITY
May be continuous or intermittent; it may be steady or impulse noises? - ✔✔NATURE OF THE NOISE
The longer the exposure the greater the damage to the hearing mechanism? - ✔✔EXPOSURE DURATION
Best term that describes water that is safe? - ✔✔POTABLE
Palatable water may or may not be Potable
Steps to purify a 5 gallon water can with Iodine Tablets? - ✔✔1. Fill container with cleanest water
available
2. Dissolve 40 iodine tables in a cup full of
water. --2 tablets per quart
3. add solution to container
4 wait 5 MINUTES, and then allow leakage on the neck threads.
5. Tighten cap and wait 25 MINUTES
,What are some health threats to the Soldiers in the field? - ✔✔1. Endemic diseases- always present in a
certain population (chicken pox, malaria..
2. Food/Waterborne disease
3. Hazardous Plants/Animals
4. Entomological hazards
5. Toxic materials (industrial/agricultural)
6. Deployment-related stress
7. Hazardous noise
8. Climatic/Environmental extremes
What percent of DEET should be used to prevent insect bites? - ✔✔33%
How much water is needed per man per day? - ✔✔5 gallons/day for drinking and
cooking 15 gallons/day to include showers
*hot/dry climate- 2-6 gallons/day for drinking
* Cooler climate- 1/2-1 gallon/day for drinking
Toxic Industrial Materials: Materials that cause inflammation of mucous membranes with which they
come in contact. - ✔✔IRRITANTS
-EX: sulfur dioxide, acetic acid, formaldehyde, formic acid, sulfuric acid, iodine, ozone, and oxides of
nitrogen.
Toxic Industrial Materials: Materials that deprive the respiratory tissues of oxygen; they do not
damage the lungs. - ✔✔ASPHYXIANTS
-EX: nitrogen, nitrous oxide, carbone dioxide, hydrogen, helium.
Toxic Industrial Materials: agents whose main toxic action is their depressant effect upon the central
nervous system, particularly the brain. - ✔✔ANESTHETICS
, Toxic Industrial Materials: cause damage to internal organs such as the liver, kidney, central nervous
system, or the cardiovascular system. - ✔✔SYSTEMIC POISONS
EX: carbon tetrachloride produces necrosis of the liver.
What are some benefits of good hearing during offensive or defensive operations? - ✔✔1. Aiding
in small arms accuracy, weapons identification, and target acquisition.
2. Determining the position, number, type of vehicles.
3. Hearing enemy movement.
4. Hearing radio messages and verbal orders
5. hearing the activation of perimeter alarms.
6. Localizing snipers
7. Locating patrol members
8. Recognizing foreign languages.
What percentage of all water used for purposes other than consumption ends up as waste water? -
✔✔80%
What 3 chemicals do soldiers use to disinfect water? - ✔✔1. CALCIUM HYPOCHLORITE (white powder)
2. CHLORINE TABLETS
3. IODINE TABLETS
Rules of water discipline? - ✔✔1. drink water from approved sources only
2. prevent waste water
3. protect water sources with good sanitary practices.
Arthropods: Represents the most substantial and continuous noncombat threat to soldiers
during deployments. - ✔✔Disease Transmission
-ex: mosquitoes, flies, lice, fleas, mites, and ticks
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