6. Why is silver nitrate used in cauterization of wounds?
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6. Why is silver nitrate used in cauterization of wounds?
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- 4. Why is the sterilization important in healthcare system and can you give briefly explain?1. What is the significance of biofilm presence on medical equipment?9. The process in which all organisms and pathogens are destroyed is called ------. a) Disinfection b) Sterilization c) Antisepsis d) Pasteurization
- 1. Explain why egg white and milk are used as antidotes in heavy metal poisoning. 2. Surgical instruments are sterilized by heating them. Why is this effective against microorganisms?1. What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame? 2. Why is heat a highly effective sterilizing agent?3. Which of the three methods of heat sterilization is the most appropriate and practical to use in sterilizing antibiotic solutions? (Direct flame, Dry heat, Moist heat)1. What is the significance of soaking the container in bleach? 2. What is the significance of keping the container closed except when pouring the medium; partially opening the container during pour-plating in preparing culture media?
- 3. Why not test water samples directly for Salmonella typhosa or other pathogens?7.Why is it necessary to make a skin puncture to a depth of 3mm?7. Historians report that 2500 years ago the Chinese learned to treat superficial infections such as boils by applying moldy soybean curds to the area. Can you suggest what this implies? Think penicillin, what was penicillin isolated from?
- 13. A mixture of sand and organic matter is poured with a solution containing a positive dye (violet), what would be the most probable result? * A. The positive dye is retained in the sand B. The leachate becomes colorless/clear C. The leachate has the same color (violet) with that of the dye used D. the leachate changes color (red), different from that of the color (violet) of the positive dye1.Describe the damaging effects of UV radiation on living cells. 2.Why does expense to UV radiation cause death in vegative cells but not endospores?1) Which of the following control agents help to be used to achieve sterility? - Virucide - Sporocide - Germicide - Bactericide - Fungicide