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):
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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):
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- 1) Which of the following apply to alcohols? Mark ALL that apply: - disinfect items that are soaking in it - denature proteins (50-90%) - at 50% and higher disrupt lipid membranes of cells - can be used as an antiseptic wipe - one of the best things to put on a cut or scrape 2)What would you use when you know the causative microbe of the disease in your patient? -A narrow spectrum antimicrobial-A broad spectrum antimicrobial -Neither, you would let the patient heal by themselves -Both broad spectrum and narrow spectrum antimicrobial8. Match the following. A. Killing all bacteria on medical equipment via autoclaving 1. Sanitization B. Swabbing an injection site with alcohol prior to inoculation 2. Disinfection C. Application of triple antiviotic ointment to a topical wound 3. Degerming D. Use of phenol based product to clean a toilet 4. Sterilization E. Washing eating utensils in the dishwasher 5. Antisepsis 6. Chemical F. Incineration of Biohazard waste G. Filtration of heat labile liquids 7. Biological 8. Physical H. Using bacteriophages as a treatment I. Using Nitric Oxide to sterilize petri plates 9. MechanicalDefine Compare/contrast it with sterilization, antisepsis and bacteriostasis. Give the modes of action of the different antiseptics/disinfectants used in the activity (5% sodium hypochlorite (bleach), 0.05% sodium hypochlorite (bleach), 70% alcohol, 40% alcohol, Iodophor (Betadine), and Mouthwash)
- Define disinfection. Compare/contrast it with sterilization, antisepsis and bacteriostasis. Give the modes of action of the different antiseptics/disinfectants used in the activity (5% sodium hypochlorite (bleach), 0.05% sodium hypochlorite (bleach), 70% alcohol, 40% alcohol, Iodophor (Betadine), and Mouthwash)1.) Why is boiling water not a recommended sterilization method? 2.) List examples of transfusion-transmitted infections. How are these infections prevented?Which of the following antimicrobial control methods would likely not beused in the clinical setting during daily care of clients and their physicalenvironment on a medicalsurgical floor?a. sterilization b. antisepsis. c. disinfection d. sanitization
- 1. Write briefly about Metabolism of drugs ( just 5 lines ) 2. Write briefly about Polyethylene glycol ( just 3 lines ) 3. The levigating agent , explain about its role in Suppositories manufacturing 4. Write in details about types of gel 5. Write in details about fusion method in ointment preparationAnswer the following: which antimicrobial would be suitable for the control of the given bacterial cultures? Escherichia coli: MR-Staphylococcus aureus: Pseudomonas aeruginosa:Define sterilant, disinfectant, sanitizer, antiseptic, germicide and bacteriostatic.
- Match the terminology correctly with the definition in the table below (eg A=1). TERMINOLOGY DEFINITION A. Aerosol 1. Disease caused by pathogen transfer B. Airborne infection 2. Process to kill or remove pathogenic microorganism (not spores) C. Asepsis 3. Organism capable of multiplication D. Decontamination 4. Process to kill/remove all microorganisms including spores and viruses E. Pathogen 5. Thick-walled resting cells formed by Gram+ organisms F. Infection 6. Organism able to cause disease in a host G. Disinfection 7. Suspension in air of finely dispersed solids or liquids H. Viable microorganisms 8. Caused by inhaling airborne material carrying microbial contaminants I. Sterilization 9. Prevention of microbial contamination J. Spores (bacterial) 10. Disinfection or sterilization of contaminated articlesItem 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.In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down under the category: a) For “autoclaving” only, B) For Dry heat oven sterilization ,And C) Can be sterilized with either. Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-mL graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-mL beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass dropper
