Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 9, Problem 8SA
Summary Introduction
To defend:
The given statement that “Pasteurization is not sterilization”.
Introduction:
Pasteurization involves the use of heat to damage pathogens and diminishes the number of microorganisms that spoil the foods and beverages. Sterilization involves the removal of all microorganisms including bacteria and viruses from a chemical or substance.
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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
Sterilization/Disinfection by Chemical
Why must you first clean debris from items before beginning disinfection or sterilization? (
Chapter 9 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 9 - Why does milk eventually go bad despite being...Ch. 9 - Why are BSL-4 suits pressurized? Why not just wear...Ch. 9 - Prob. 3TMWCh. 9 - Prob. 4TMWCh. 9 - Prob. 1EDCSCh. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MCCh. 9 - The endospores or which organism can be used as a...
Ch. 9 - A company that manufactures an antimicrobial...Ch. 9 - Prob. 8MCCh. 9 - Prob. 9MCCh. 9 - Prob. 10MCCh. 9 - Prob. 11MCCh. 9 - Which of the following adjectives best describes a...Ch. 9 - Biosafety Level 3 includes ________. a. double...Ch. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Prob. 16MCCh. 9 - Prob. 17MCCh. 9 - Prob. 18MCCh. 9 - Prob. 19MCCh. 9 - Prob. 20MCCh. 9 - Prob. 1SACh. 9 - Compare and contrast four tests that have been...Ch. 9 - Prob. 3SACh. 9 - Prob. 4SACh. 9 - Prob. 5SACh. 9 - Describe five physical methods of microbial...Ch. 9 - Prob. 7SACh. 9 - Prob. 8SACh. 9 - Prob. 9SACh. 9 - Compare and contrast the action of alcohols,...Ch. 9 - Prob. 11SACh. 9 - Why are alcohols more effective in a 70% solution...Ch. 9 - Contrast the structures and actions of soaps and...Ch. 9 - What are some advantages and disadvantages of...Ch. 9 - Prob. 15SACh. 9 - Calculate the decimal reduction time (D) for the...Ch. 9 - Prob. 2VICh. 9 - Prob. 1CTCh. 9 - Is desiccation the only antimicrobial effect...Ch. 9 - Prob. 3CTCh. 9 - Prob. 4CTCh. 9 - Over 1000 people developed severe diarrhea, and at...Ch. 9 - An over-the-counter medicated foot powder contains...Ch. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Explain why quaternary ammonium compounds are not...Ch. 9 - Prob. 10CTCh. 9 - Would you expect Gram-negative bacteria or...Ch. 9 - Where should you place a sterilization indicator...Ch. 9 - Why is liquid water necessary for microbial...Ch. 9 - Prob. 14CTCh. 9 - During the fall 2001 bioterrorist attack in which...Ch. 9 - Prob. 16CTCh. 9 - Prob. 17CT
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- Solid and liquid media are commonly prepared based on manufacturer’s instructions. If no instruction is provided on how the media should be sterilized, what would be the best option? METHOD:RATIONALE:arrow_forwardOther than the application of heat, name other methods of sterilization. Define the methods and give examples of materials sterilized in each method.arrow_forwardOf what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?arrow_forward
- Which of the following is used in the sterilization of the medium?a) benmargeb) swabc) autoclaved) centrifugee) coolingarrow_forwardDifferentiate sterilization from disinfection. Differentiate sterilization from disinfection.arrow_forwardAs the temperature of pasteurization increases, the time of treatment decreases. As the temperature of pasteurization increases, the time of treatment decreases. True Falsearrow_forward
- 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)arrow_forwardAlternative name for Moist-heat sterilization Select one: Oven sterilization Autoclaving Ionizing radiationarrow_forwardFor sterilization to occur correctly it must include; heat and pressure: true Falsearrow_forward
- Oven sterilization at 121˚C was performed on glassware for 15 minutes only. Effect: Rationale:arrow_forwardMention any three (3) fluids used in cleaning lenses in the microbiological laboratory.arrow_forwardCONTRAST the following pairs of terms: Sterilize and Disinfect Sanitization and Antisepsis Bactericide and Bacteriostaticarrow_forward
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