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- Select all methods that can be used disinfecting medical devices. Thermal UV Chemical Steam Soap and Water Hand SanitizerILLUSTRATIONS: 1. Sterilizers seen in the laboratory and their parts.Match the physical and chemical methods of control with its use, mode of action etc. Purify H₂0 Sterilize catheters, Petri plates, syringes, sutures placed in plastic wraps Sporocidal antiseptic Their mode of action is lowering the surface tension of water Antiseptic that kills anaerobic bacteria It is use to preserve cadavers, tissues and organs Isopropilic is the most germicidal Standard of disinfectants Choose... Choose... Choose... Choose... Choose... Choose... Choose... Choose... ◆ ◆ → →
- 3. For each category of microbial control, list examples. Sterilization Disinfection Sanitization/ Antisepsis/ Degermation Alcohol Decontamination AutoclaveIdentify the method of sterilization/ chemical agent described This chemical agent is used as a standard for evaluating new chemical agents. This chemical agent is used as water disinfectant. A phenol-derivative that is less exotic and more potent than phenol. Considered the best antiseptic. Used as prophylaxis for ophthalmia neonatorum.Define the following: 1. Asepsis: 2. Disinfectant: 3. Antiseptic: 4. Sanitization: 5. Bacteriostatic: 6. Bactericidal: 7. Thermal death point (TDP): 8. Thermal death time (TDT): 9. Decimal Reduction Time (DRT):
- What appropriate method should be used in controlling microbial growth in each of the following? 1. Chicken serum 2. Fresh goat milk 3. Nutrient broth 4. Paracetamol 5. Inoculation loobDefine sterilant, disinfectant, sanitizer, antiseptic, germicide and bacteriostatic.For sterilization to occur correctly it must include; heat and pressure: true False
- CONTRAST the following pairs of terms: Sterilize and Disinfect Sanitization and Antisepsis Bactericide and BacteriostaticItem 1. Describe the BEST method of sterilization or treatment to reduce pathogens to safe level for each of these 5 items. 2. Explain why this is the best method and why it is BETTER than other possible methods. (Specific treatments were mentioned in lecture for each item.) Plastic milk containers 1. Preserving low-acid vegetables to kill Clostridium botulinum endospores. 2. Liquids contaminated with prions (list BOTH methods of sterilization discussed in lecture) 3. Skin 4. Media with heat sensitive nutrients 5.Give at least five different microbial control methods you have on your home as listed on the pre-task activity. Identify its microbial control method (Physical or chemical), Specific component (heat, phenol, etc), Mode of action (denatures protein, disrupt cell membrane, etc), Use (sterilize, disinfect, antiseptic), Level of activity (Sterilant, high, intermediate, low disinfectant) MICROBIAL CONTROL METHOD SPECIFIC COMPONENT MODE OF ACTION USE LEVEL OF ACTIVITY