Microbiology with Diseases by Body System (5th Edition)
5th Edition
ISBN: 9780134477206
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Question
Chapter 9, Problem 8SA
Summary Introduction
To answer:
To defend the statement 'pasteurization is not sterilization'.
Introduction:
Sterilization is a term that implies and ensures the complete eradication of the microbes. The sterilization can be obtained by physical and chemical methods such as heat, radiation, and use of some chemicals. Apart from sterilization, the sanitation reduces the potential pathogen in the environment or in daily use commodities.
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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
Why must you first clean debris from items before beginning disinfection or sterilization? (
According to the table above, name 1 method that is least effective in killing endospores and
explain why.
Chapter 9 Solutions
Microbiology with Diseases by Body System (5th Edition)
Ch. 9 - Why does milk eventually go bad despite being...Ch. 9 - Prob. 1EDCSCh. 9 - Why are BSL-4 suits pressurized? Why not just wear...Ch. 9 - Prob. 3TMWCh. 9 - Prob. 4TMWCh. 9 - Prob. 1MCCh. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MC
Ch. 9 - Prob. 6MCCh. 9 - Prob. 7MCCh. 9 - Prob. 8MCCh. 9 - The presarva1icn of beef jerky from microbial...Ch. 9 - Prob. 10MCCh. 9 - Which of the following substances would most...Ch. 9 - Which of the following adjectives best describes a...Ch. 9 - Prob. 13MCCh. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Prob. 16MCCh. 9 - Which of the following disinfectants acts against...Ch. 9 - Which of the following disinfectants contains...Ch. 9 - Prob. 19MCCh. 9 - Prob. 20MCCh. 9 - Describe three types of microbes that are...Ch. 9 - Compare and contrast four tests that have been...Ch. 9 - Prob. 3SACh. 9 - Why do warm disinfectant chemicals generally work...Ch. 9 - Why are Gram-negative bacteria more susceptible to...Ch. 9 - Describe five physical methods of microbial...Ch. 9 - Prob. 7SACh. 9 - Prob. 8SACh. 9 - Compare and contrast desiccation and...Ch. 9 - Prob. 10SACh. 9 - Prob. 11SACh. 9 - Prob. 12SACh. 9 - Prob. 13SACh. 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 - Prob. 2CTCh. 9 - Prob. 3CTCh. 9 - Prob. 4CTCh. 9 - Over 1000 people developed severe diarrhea, and at...Ch. 9 - Prob. 6CTCh. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Prob. 9CTCh. 9 - Prob. 10CTCh. 9 - Prob. 11CTCh. 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 - What common household antiseptic contains a heavy...Ch. 9 - What is the phenol coefficient of phenol when used...Ch. 9 - Prob. 1CM
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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_forwardWhich of the following is used in the sterilization of the medium?a) benmargeb) swabc) autoclaved) centrifugee) coolingarrow_forward
- Differentiate sterilization from disinfection. Differentiate sterilization from disinfection.arrow_forwardAlternative name for Moist-heat sterilization Select one: Oven sterilization Autoclaving Ionizing radiationarrow_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
- For sterilization to occur correctly it must include; heat and pressure: true Falsearrow_forwardMention any three (3) fluids used in cleaning lenses in the microbiological laboratory.arrow_forwardOven sterilization at 121˚C was performed on glassware for 15 minutes only. Effect: Rationale:arrow_forward
- During media preparation, you observed that the agar medium did not solidify after sterilization even after incubating it for 1 hour at room temperature. What could be the reason behind this?arrow_forwardTrue or false? it is possible to kill or remove all microorganisims by hand washing or using hand sanitizer ?arrow_forwardClearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.arrow_forward
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