Chapter 1, Problem 10RQ

Choose the combination of answers that most accurately completes the statement. Detergents are a. high-level germicides c. excellent antiseptics b. low-level germicides d. used in disinfecting surgical instruments following

Design a serial dilution of a sample to achieve a A) Final dilution of 10-4 using 9.0 mL blanks B) Final dilution of 10-6 using 99 mL blanks C) Final dilution of 10-6 using 9.0 mL blanks

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