Environmental Health Flashcards
List 5 military significant vector diseases
Malaria Leishmaniasis Yellow fever Lymes disease Plague Dengue Fever Epidemic typhus Relapsing fever Tryapanosomiasis Encephalitis Murine typhus Scrub typhus Zika virus
Describe mechanical transmission of an arthropod borne disease.
Insect carries pathogen on outside of its body, it then deposits it on surfaces or food it is then ingested by humans.
Name two types of localised freezing injury.
Frost nip
Frost bite
3 Categories or Cold Injuries
Generalised
Local
Non-Freezing
State 5 individual risk factors that increase chance of heat illness.
Overweight Smoking Alcohol Previous heat illness Medication Dehydration Poor nutrition
How long does it take to acclimatise to a hot environment following JSP 539
8-15 days
Prior to any activity which may involve a risk of heat related illness what risk factors should a commander consider when trying to help prevent heat illness?
Environmental Clothing Acclimatisation Sun cream Work rate
What piece of equipment could you use to give a commander advice regarding the risk from environmental/ thermal conditions?
WBGT
What impact would be experience by the military personnel if commanders fail to effectively manage climatic injuries?
Waste of limited resources
Discharge
Loss of manpower
What environmental factors can affect risk of heat illness?
Radiant heat
Wind speed
Ambient air temperature
Relative humidity
State ways in which the target can be protected against vector borne diseases.
Avoidance
Protective clothing
Reppelents
List measures that can be implemented to control a vector borne disease.
Bed nets
Don’t expose skin
Unit dry day
Remove vector
Two pieces of equipment to spread insecticides.
Swing fog- knockdown
Compression sprayer- residual
List 3 main categories of control measures at the route of the sterile disease.
Chemical
Biological
Physical
What is the ROUTE for leishmaniasis?
Ingestion sand fly/arthropod
Malaria and leishmaniasis are caused by which type of microorganism?
Protozoa
Which arthropod disease is endemic in the UK and which arthropod spreads it?
Lymes disease
Tick
You have seen a patient who you suspect has contracted leishmaniasis. You refer him to the Medical Officer, but who would you send an FMED 85 to?
SO2 Health Protection
State 5 reasons why you would investigate a disease outbreak.
Find source Prevent spread Eliminate risk Confirm Assess the scale Investigate origin Fulfil statutory requirement
You are deploying to an area at high risk of schistosomiasis. One of the commanders has asked what the signs and symptoms are.
D+V
Abdominal pain
Spleen enlargement
Itchy skin
List 4 types of camps and their durations.
Short halt 24hrs
Temporary 24hrs-7 days
Semi permanent 7days - 6 months
Permanent 6 months+
State 4 advantages of good waste management.
Discourage pests and vectors
Maintain camp moral
Minimise risk of disease
Prevent food or water contamination
State 3 advantages of incinerating waste.
Low waste management
Cheap and easy to do
Less attractive to pests
Heat can be used for energy
List four types of waste generated in the field.
Urine
Soil
Sullage
Refuse
Name two methods of clinical waste disposal.
Sharps box
Baggage
What are the main types of PPE you would wear when handling clinical waste?
Gloves
Apron
Mask
Eye wear
What is the name of the chemicals used for disinfection and de-tasting principles of water purification?
Calcium Hydrochloride
Sodium Thiosulfate
List 2 occasions where contact period for water disinfection will be increased from 15 mins to 30 mins?
Temperature below 5^
No lovibond check kit available
When carrying out a recce on a water source, how far and what direction?
2km upstream
Describe EpiNato and where it is used.
Health surveillance tool utilised on exercise
Six principles of water purification.
Check
Select source- quantity quality Clarification -filtration sedimentation Disinfect - physical chemical Contact period - 15mins or 30 mins when Shistomiassis, water is cold, lovibond check it not present Test - lovibond check kit De-taste - Sodium thiosulfate
How often should water sampling be carried out and what should be tested for?
Daily- Chlorine
Monthly- Bacterial
Quarterly- Chemicals
What is the purpose of purifying water?
To eliminate microorganisms in the water.
List 3 considerations when selecting a location to establish a military camp.
Location
Terrain
Access
What JSP provides details of the disease control policy?
JSP 950