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1) Which of the following control agents help to be used to achieve sterility?
- Virucide
- Sporocide
- Germicide
- Bactericide
- Fungicide
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- CONTRAST the following pairs of terms: Sterilize and Disinfect Sanitization and Antisepsis Bactericide and BacteriostaticDefine 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. 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 preparation
- Mention any three (3) fluids used in cleaning lenses in the microbiological laboratory.Which physical or chemical agent would be the best choice for sterilizing the following items: glass pipettes, tryptic soy broth tubes, nutrient agar, antibiotic solution, interior of a biological safety cabinet, wrapped package of plastic Petri plates? Explain your choices.What are the differences between sterilization, disinfection, antisepsis, degermination, and sanitization? Would it still be possible to see the presence of microorganisms after achieving disinfection or antisepsis?
- 1. The Petri Dish method is used in microbiology to raise bacteria in: a) rapid growth b) pure culture c) septic environment d) all of the above 2. What is the difference between antiseptic and sanitization? 3. In order to prevent any kind of contamination the medium must be _________ before placing it in the Petri dish. a) lyophilized b) pasteurized c) autoclaved d) distilledWhat is the difference between disinfection, antisepsis, and sterilization?Mechanism of moist-heat sterilization is by Select one: DNA damage Oxidative processes require higher temperature than Dry heat Denaturation and Hydorlytic damage
- 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 loobArea of no growth (zone of inhibition) around an antibiotic disk on Mueller Hinton Agar indicates a) The organism is resistant to that particular antibiotic b) The organish is susceptible to that antibiotic c) The chemical agent lacks the ability to diffuse into the medium d) none of the aboveWhy are Sterilization, Antisepsis and disinfection necessary?