Listen ▶ Which of the following methods of microbial control is used most often with surgical equipment? a) autoclave b) sugar and salting c) dessication d) lyophilization
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- Is the Mueller-Hinton Agar (MHA) a complex or defined medium? Explain based on its composition. Is MHA a A) differential, B) selective, C) both differential and selective media, or D) neither? Explain based on what kind of microorganisms it allows to grow.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) distille1. 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) distilled
- Aseptic technique refers to A) the microbial inoculum placed into a test tube or onto a Petri plate. B) a series of practices to avoid contamination. C) the autoclave and other sterilizing procedures. D) cleanliness in the laboratory.Which of the following is used in the sterilization of the medium?a) benmargeb) swabc) autoclaved) centrifugee) coolingControl of Microbial Growth A) Which would be the best process to use and why? B) Can you use pasteurization? Explain. C)What is the true definition of an "antibiotic?"
- How do you observe growth in liquid microbiological media? a) the medium is cloudy or turbid b) colonies appear on the surface of the medium c) the medium becomes solid d) colonies appear distributes throughout the mediumThe use of sterile techniques and agar media enables microbiologists to study: a) Bacterial growth b) Nutrient agar-metabolizing culture c) Bacterial metabolism d) Pure cultures d) Bacterial life cyclGlucose is added to the tissue culture media as a/ana) Carbon sourceb) Growth regulatorc) Solidifying agentd) Antibiotic
- Which of the following is a limitation of the autoclave? a) Long length of time required for sterilization. b) Inability to use with heat sensitive materials. c) Inability to use with common lab equipment like glassware. d) Does not sterilize, only sanitizes. e) All of the above are limitation of the autoclave.10. The use of the autoclave ensures: a) the death of all bacteria b) the death of all bacterial spores c) all of the above d) none of the above.11. Foods can be preserved in all the followings except: a) lyophilizing b) Drying c) Salting d) Fermentation12. The temperature of the autoclave should be held for _____ minutes at least: a) 10 b) 15 c) 20 d) 30Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition. Is the test tube a A) broth, B) slant, or C) deep agar medium? Why is a “needle” used to inoculate?