P5010 Chapter 9 Preventative Medicine for Ground Forces Flashcards
What are the three phases the After Action Report (AAR) should be split into?
1) Predeployment
2) Deployment
3) Post Deployment
Within how many days must the AAR be submitted for personnel deployed less than 6 months?
Within 15 days
Within how many days must the AAR be submitted for personnel deployed more than 6 months?
Within 30 days
Who is ultimately responsible to ensure there are sufficient quantities of safe drinking water for their personnel?
Unit Commanders
Who is responsible for providing sufficient potable water for the population to be served?
Engineers
What are the different potential water sources?
Existing public water systems Surface water Ground water Salt water Other (rain/snow/ice)
What water source is usually the easiest and, in most cases the safest source?
Existing public water systems (usually has been treated to some extent)
What water source includes lakes, rivers, streams, and ponds?
Surface water
What water source includes wells and springs?
Ground water
When treating water, what are some ways to remove suspended solids?
Aeration
Coagulation
Flocculation
Filtration
What are two pieces of equipment currently used to purify water?
ROWPU
ERDLATOR
What is the most common field purification system in use?
ROWPU
What it preferred agent for water chlorination?
Calcium hypochlorite 65-70% (HTH)
Why is Calcium hypochlorite (HTH) the preferred agent for chlorination?
Comes in granular form
Long shelf life
Readily available
What is the liquid solution commonly used to disinfect water if HTH is not available?
Sodium hypochlorite (5% or 10%) – household bleach
When disinfecting water, how long after adding chlorine should you measure the FAC?
30 minutes after adding
What should the FAC level be for water from a public water system of questionable quality?
5.0 ppm FAC after 30 minutes – maintain 2.0 ppm
What should the FAC levels be at engineering water points?
5.0 ppm FAC at the sandpipe or fill hose
What should the FAC levels be for a water tanker, trailer, bladder or cans?
Between 5.0 – 2.0 ppm FAC when filled at an approved engineering water point.
What should the FAC levels be for a water tanker, trailer or bladder when being used as a “source” for distribution?
5.0 ppm FAC
What should the FAC levels be when filling a lyster bag or canteen from an approved water source?
2.0 ppm FAC
What should the FAC levels be when filling a lyster bag or canteen from an unapproved or raw water source?
Initially 5.0 ppm and maintain 2.0 ppm
When superchlorinating to disinfect a water container, what FAC levels must be reached and maintained?
100 ppm FAC must be reached and it cannot drop below 50 ppm for 4 hours.
When supercholorinating a water container, how must the container be marked?
“Poison do not drink” must be displayed clearly on all sides of the container or at all water outlets
If water supplies are scarce and superchlorinated water needs to be used a drinking water, what can be used to dechlorinate?
Sodium thiosulfate or sodium bisulfite
How should iodine tablets appear if they are in good condition?
Steel-gray
What are some indications that iodine tablets have deteriorated while in storage?
Completely yellow or brown
Stick together
Crumble easily
How many iodine tablets are used to disinfect a 1-quart canteen?
2 tablets
How many iodine tablets are used to disinfect a 2-quart canteen?
4 tablets
How many drops of Tincture of iodine 2% is used to disinfect a 1-quart canteen?
5 drops, 10 drops if water is cloudy
How many iodine tablets are used to disinfect a 5-gallon water container?
40 tablets
How long must you bring water to a rolling boil when disinfecting?
2 minutes
How often must potable water containers be disinfected?
Whenever necessary but not less than monthly
What is the rule of thumb for minimum amounts of water required per medical treatment bed in advance base medical facilities?
65 gallons per treatment bed per day
How often should FAC be measured?
Daily
How often should field water supplies be bacteriologically tested?
Weekly
How often are temperatures recorded in field refrigerators and freezers?
Logged at least once per meal period (3 x per day)
How often should refrigerated spaces be emptied and thoroughly cleaned?
at least once per week
When must field refrigerators be defrosted?
frost accumulation on the cooling coils exceeds 1/4 of an inch
Field reefers must be at or bellow what temperature?
40 degrees (F)
What is the max temperature a room should be if thawing frozen food at room temp?
80 degrees (F)
How often are ice scoops to be cleaned in sanitized in the field?
at least once daily
When fruits and vegetables are obtained from the local economy, what concentration of FAC must they be soaked in?
100 ppm FAC for 15 min or 50 ppm FAC for 30 min
What is the shelf life of an MRE?
48 months
How many pallets high can MREs be stored?
no more than three
What pests are MREs subject to infestation by?
Lesser grain borer Warehouse beetle Cigarette beetle Red flour beetle Confused flour beetle
How may servings are in a T-Ration?
36
What are examples of human waste?
feces and urine
What are examples of Liquid wastes?
Bathing and liquid kitchen waste
What are examples of garbage?
peelings, slicing and other semisolid or solid organic material resulting from food service operations
What are examples of rubbish?
boxes, cans, paper and plastics
What is utilized for human waste when troops are on the march?
“cat hole”
What are the dimensions of a cat hole?
8-12” in diameter
6-12” deep
How far should latrines be from the nearest natural water source?
100 feet
How far should latrines be from food service areas?
at least 100 yards
How far should latrines be from berthing?
at least 50 feet
What are the dimensions of a saddle trench?
1 foot wide 4 feet long
2.5 feet deep
How many people will a saddle trench accommodate?
25 people at one time
How far apart should additional saddle trenches be dug?
at least 2 feet appart
one, 4 seat deep pit latrine will accommodate how many people?
50 people
How far must garbage disposal be from any natural water sources and the field mess when burying?
100 feet
What are the dimensions of a garbage disposal burial pit?
4 feet squared and 4 feet deep - will serve 100 people for one day
How far must incinerators be located away from the camp area?
50 yards
How many weeks is optimal for acclimatization to warm environments?
three weeks
What is the single most important factor in avoiding heat injury?
Water intake
What are the water requirements when doing light work when the WBGT index is above 80 degrees?
8-10 quarts per person per day
What are the water requirements when doing heavy work when the WBGT index is above 80 degrees?
13-19 quarters per person per day
What is the optimum temperature for drinking water?
between 50-60 degrees
At what WBGT reading can heat casualties be expected?
75 degrees
What are the three temperature measurements that give the WBGT index?
Wet bulb
Dry bulb
Globe
What flag is flown for WBGT < 80?
White flag
What flag is flown for WBGT index readings between 80 - 84.9?
Green flag
What flag is flown for WBGT index readings between 85-87.9?
yellow flag
What flag is flown for WBGT index readings between 88-89.9?
Red flag
What flag is flown for WBGT index readings 90 and above?
Black flag
Which flag condition indicates that strenuous exercise must be curtailed for all personnel with less than 12 weeks training in hot weather?
Red flag
Which flag conditions indicates that strenuous exercise must be curtailed for all personnel with less than 3 weeks of heat exposure?
Yellow flag
How many points are added to the WBGT index reading when wearing body armor or NBC protective uniforms?
10 points
