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- 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)
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- Define 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)Identify 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.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 antimicrobial
- Explain the usage as antimicrobial agents and disinfectants of Phenol and phenolics, alcohols, halogens, oxidizing agents, surfactants, Heavy metals, aldehydes, gaseous agents and enzymesMatch 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... ◆ ◆ → →Preservatives are added to the following pharmaceutical products EXCEPT Select one: Ophthalmic solutions Injections in eye tissues Non-sterile Ointments Multi-dose sterile products
- Mention any three (3) fluids used in cleaning lenses in the microbiological laboratory.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):Match the most appropriate method of sterilisation for the following items. 10 mL vitamin solution 5 mL antibiotic solution Petri dishes 1 L of water 1 L of nutrient broth medium Talcum powder Charcoal powder [Choose ] [Choose ] Gamma radiation Autoclave Dry heat oven Filtration [Choose ] [Choose ] [Choose ] [Choose ] [Choose ]
- Disinfectants and Sterilization Procedures Complete the table by putting (+) for growth of microorganisms or (–) absence of growth of microorganisms. Disinfectant Concentration Growth after time of exposure (minutes) Control 5 minutes 10 minutes 15 minutes Sodium hypochlorite 5% Sodium hypochlorite 0.05% Alcohol 70% Alcohol 40% Iodophor (Betadine) 10% solution Mouthwash Cetylpyridinium Chloride - 0.075% Sodium Fluoride - 0.05%In paragraph form (about 2-3 long paragraphs), how would you characterize and identify antimicrobial agents from root samples using x-ray crystallography and infrared spectroscopy? Please include the principles and the details and type specifically for the antimicrobial agents of the methodology.Provide a review of related study on the use of calamansi rinds extract as an alternative to alcohol-based hand sanitizers where antimicrobial activity is the variable. Cite the citation as well and follow the rrs format.