IMMUNITY - CORRECT ANSWER - Protection against certain diseases
- Inborn or acquired
- Natural: exposure, forms antibodies to fight off and prevent
... [Show More] reinfection
- Artificial: Deliberate vaccination, antibodies formed, immunity built up
TOXIN - CORRECT ANSWER - Poison of complex chemical substances
PUS - CORRECT ANSWER - Contains blood and body cells, dead and living bacteria
AEROBIC/ANAEROBIC BACTERIA - CORRECT ANSWER - Aerobic: needs oxygen to
survive
- Anaerobic: does not need oxygen to survive
ASEPSIS/ASEPTIC
SEPSIS/SEPTIC - CORRECT ANSWER - Asepsis/Aseptic: free from pathogenic bateria
- Sepsis/Septic: infected by pathogenic bacteria
BACTERICIDE/GERMICIDE - CORRECT ANSWER - Chemical that has power to destroy
bacteria
WET SANITISER
DRY SANITISER - CORRECT ANSWER - Wet Sanitiser: objects immersed in disinfectant
- Dry Sanitiser: airtight cabinets with fumigant or UV radiation
ANTISEPTIC INGREDIENTS - CORRECT ANSWER - Alcohol
- Boric Acid
- Hydrogen Peroxide
- Iodine
DISINFECTANT INGREDIENTS - CORRECT ANSWER - Alcohol
- QUATS
- Formalin
- Formaldehyde
- Sodium Hypo-Chlorite
PROPERTIES OF A GOOD DISINFECTANT - CORRECT ANSWER - Economical
- Non Corrosive
- Practically Odourless
- Easy to prepare
- Quick Acting
- Non irritating on skin
MOIST/WET HEAT STERILISATION - CORRECT ANSWER - Boiling: 100 degrees for 20
mins
- Steaming (autoclave): 120-130 degrees for 20 mins
DRY HEAT STERILISATION - CORRECT ANSWER - Baking: 149 degrees for 1hr
- Bead: glass beads at 250-260 degrees for min 30 sec
GAMMA RAY RADIATION - CORRECT ANSWER - Destroys microbes through ionised
particles
1ST LEVEL OF SANITATION - CORRECT ANSWER - Does not pierce skin
- Wash in warm soapy water, rinse, dry and place in cabinet
2ND LEVEL OF SANITATION - CORRECT ANSWER - Does pierce skin, in contact with
mucous membranes
- Wash in COLD soapy water, wash in warm soapy water, rinse, dry, immerse in disinfectant for
10 mins, rinse, dry and place in cabinet
3RD LEVEL OF SANITATION - CORRECT ANSWER - Heat (moist or dry) or radiation
BACTERIA - CORRECT ANSWER - One celled organisms
- Reproduce through amitosis
- Reach full growth in 20-30 mins
- Pathogenic (harmful), non-pathogenic (harmless)
- Ideal temp 37 degrees in warm, dark, moist areas
SPORES - CORRECT ANSWER - Shell like covering allowing bacteria to live during
unfavourable conditions
- Cannot cause disease
- Spores drop when conditions become favourable
CLASSIFICATIONS OF BACTERIA - CORRECT ANSWER - Cocci: round shaped, not able
to move in liquid, 3 types: streptococci, staphlococci and diplococci
- Bacilli: rod shaped
- Spirilla: corkscrew shaped
STREPTOCOCCI - CORRECT ANSWER - Form chains, causes blood poisoning and scarlet
fever
STAPHLOCOCCI - CORRECT ANSWER - Form in clusters, strongest of non-spore forming
bacteria
- Responsible for many skin diseases e.g. carbuncles, furuncles etc [Show Less]