Prev Med Last Pages Flashcards
Hardness of water
Due to increased Ca and Mg
Most important single test to find out if water is potentially dangerous
Bacteriological testing
-detects “indicator organisms” that may cause large scale outbreaks!
Principal source of radium and radon
Deep-wells
Ground water
Mineral springs
Remarks on water examination
Bacteriologic exam: not > 6 months
General systemic chemical exam: every year
Radioactive contamination exam: every eyar
Magic number for drinking water supply
25 meters
Identify the water category: ascaris
Water-borne
Identify the water category: dracunculiasis
Water-based
Identify the water category: dental fluorosis
Water-borne
Identify the water category: malaria
Water-related
Identify the water category: legionella
Water-dispersed
Identify the water category: leptospirosis
Water-based
Identify the water category: scabies
Water-washed
Identify the water category: schistosomiasis
Water-based
Identify the water category: cholera
Water-borne
Most important single treatment of public water supply
Chlorination
Water treatment and bacterial quality (coliform/100mL)
Chlorination alone: <50 Standard complete treatment: 50-5,000 (Coagulatiotn, sedimentation, rapid sand filtration, chlorination) Double treatment: 5,000-50,000 Look fo another source: >50,000
Rule of 1,000
States that a pollutant released indoors is 1,000x more likely to reach the lungs than a polutant released outdoors since most people are indoors 70% of their time
Yellow with black band bin
Chemical waste including those with heavy metals
Hospital code blue
Medical emergency
Hospital code red
Smoke or fire
Hospital code black
Bomb threat
Hospital code pink
Infant or child abduction
Hospital code orange
Hazardous material or spill incident
Hospital code silver
Active shooter