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- The most versatile method of sterilizing heat-sensitive liquids isa. UV radiation b. exposure to ozone c. beta propiolactone d. filtrationwhich of the following is best to sterilize heat-liable (sensitive) solutions? a, pasteurization b. autoclave c. dry heat d. filration e. none of the above1-The method of sterilizations we used in the tissue culture lab a. Fumigation b. Filtration C. Autoclave d. Sun light
- 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) distilled1.) During a laboratory activity, Chemical reactions from mixture of chemicals should be observed under which laboratory equipment? a.) autoclave b.) fume hood c.) Labaratory Safety cabinet d.) Centrifuge 2.) Which type of equipment contains a HEPA filter that only removes suspended materials from exhausted air? a.) Fume hood b.) Biosafety Cabinet I c.) Biosafety Cabinet II d.) Biosafety Cabinet IIIHeat-sensitive materials (rubber and plastic) and bulkymaterials (mattresses) can be sterilized using:(a) Dry heat(b) Autoclaving(c) UV radiation(d) Gaseous ethylene oxide(e) None of these
- 1.A/an ___ best describes a hazard that is brought about by workplace interactions. a.biologic hazard b.chemical hazard c.physical hazard d.ergonomic hazard 2.When working with the following products, which one would not require the use of gloves? a.prophy paste b.cold-sterilizing chemicals c.disinfectants surface cleaners d.ultrasonic instraument cleanersGiven the following common laboratory materials, which of the three methods of heat sterilization do you think is the most appropriate and practical to use in sterilizing them ? Why do you think so ? a) empty flask b)L-rod (glass rod c)10 ml glass pipet d) wire needles e)antibiotic solutionWhich of the following is NOT a chemically definable component in culture media? a.Sheep's blood b.Brain infusion c.Milk d.All of the above e.None of the above
- 1. Give the method of sterilization of these laboratory apparatuses how they are sterilized; inoculating loop, glasswares. culture media, skin, and milk. Please cite where you got the information. Thank you) A cyclic exposure of a liquid to heat and cold defines: a) Sterilization b) Disinfection c) Autoclaving d) Incineration e) PasteurizationIn 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