Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Chapter 22, Problem 13Q
Summary Introduction
Introduction:
Microbes are the small living things that are not visible with naked eyes. These microbes are present everywhere. In the environment, both harmful and beneficial microbes are present not all the microbes are harmful for humans, some are beneficial for human.
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The mechanical removal of microbes from a limited area of living tissue is referred to as --
a. None of the above
b. disinfection
c. pasteurization
d. antisepsis
e. sterilization
which of the following is not a chemical method of microbial control?
a. soaps and detergents
b. hydrogen peroxide
c. filtration
d. food preservations
Which of following statements is TRUE about antiseptics and disinfectants?
A. Disc diffusion works because the disc is soaked in bacteria and is the exposed to antimicrobial.
B. You can tell the characteristics of the zone inhibition whether an organism is cidal or static in its effect.
C.The shape of an object being cleaned may influence the effectiveness of germicides
D. Gram + organisms are more resistant than Gram - organisms
E. A large zone of inhibition shows bactericidal effect
Chapter 22 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 22.1 - Draw your own representation or logo depicting how...Ch. 22.2 - Provide a definition for zoonosis.Ch. 22.2 - Discuss the effects of deforestation and...Ch. 22.3 - Differentiate between coliforms and E. coli.Ch. 22.3 - Prob. 5AYPCh. 22.3 - Prob. 1MMCh. 22.3 - Q. What further precautions can vulnerable people...Ch. 22.4 - Define biological oxygen demand.Ch. 22.4 - Prob. 7AYPCh. 22.4 - Prob. 8AYP
Ch. 22 - Prob. 1QCh. 22 - In Malaysia, a form of malaria that was previously...Ch. 22 - Prob. 3QCh. 22 - Prob. 4QCh. 22 - Why do you think microbes are so adept at breaking...Ch. 22 - Prob. 6QCh. 22 - Contaminated water has a. lower biological oxygen...Ch. 22 - Why do microbes exist that are capable of cleaning...Ch. 22 - Prob. 9QCh. 22 - Prob. 10QCh. 22 - Prob. 11QCh. 22 - With what you have learned about increasingly...Ch. 22 - Prob. 13QCh. 22 - Explain how a warming climate is likely to impact...Ch. 22 - Conduct research to find out where the...Ch. 22 - Prob. 16QCh. 22 - Prob. 17QCh. 22 - Zika virus infection in adults may be asymptomatic...Ch. 22 - Prob. 19QCh. 22 - Prob. 20QCh. 22 - Prob. 21QCh. 22 - Prob. 1VC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Secondary metabolites of microbes are formed during thephase of growth.a. exponential b. stationary c. lag d. deatharrow_forwardWhich ONE of the following best describes the abbreviation ‘MIC’? Select one: A. The lowest concentration at which no microbial growth is detected B. The lowest concentration that indicates whether an antibiotic would be effective or not C. The lowest concentration which is not toxic to the host D. The lowest concentration which is least effective against the organism E. The lowest concentration which kills the organismarrow_forwardThe reduction of pathogens to a safe and stable level is caused by the process of: a.Disinfection b.Sanitization c.Cleaning d.Sterilizationarrow_forward
- Which of the following antimicrobial control methods would likely not beused in the clinical setting during daily care of clients and their physicalenvironment on a medicalsurgical floor?a. sterilization b. antisepsis. c. disinfection d. sanitizationarrow_forwardWhich of the following bacteria would be the most accurate indicatorof fecal contamination?a. Enterobacter aerogenes b. Thiobacillus acidophilus c. Escherichia coli d. Staphylococcus aureusarrow_forwardMicrobes that can be grown on agar petri dish include A. Bacteria B. Virus C. Fungi D. Protests E. Helminths.arrow_forward
- Which of the following is NOT a property of an antimicrobial agent? a. Must have a known concentration over a period of time required to eliminate a pathogen b. all choices are correct c. must be selectively toxic d. Must have a favorable chemotherapeutic indexarrow_forward1. Which of the following micro-organisms are the most resistant to heat sterilization? a. Vegetative bacteria (e.g., Samonella spp.) b. Spore-forming mesophilic bacteria (e.g., Clostridium botulinum) c. Spore-forming thermophilic bacteria (e.g., Bacillus stearothermophilus) d. Toxicogenic bacteria (e.g., E. coli O157:H7) e. All of the above are equally resistant to heat sterilization.arrow_forwardWhy does secondary treatment of wastewater require O2? A. Secondary treatment relies on anaerobic microbes to oxidize organic material. B.Secondary treatment relies on anaerobic microbes to reduce organic material. C.Secondary treatment relies on aerobic microbes to oxidize organic material. D.Photosynthetic bacteria are involved in secondary treatment and they require O2. E. Flocs require oxygen to facilitate biofilm formation.arrow_forward
- Which of the following would you expect if you let surfaces stay wet for 5 minutes instead of 10 minutes? A A smaller percentage of the microbes would be killed. B Time does not play a role in how successful a disinfectant treatment is, so a 5 minute application will kill the same percent of the total population as a 10 minute application. C The germicide would remove just as many total microbes; 10 minutes is definitely more time than is necessary.arrow_forwardAny process that destroys the non-spore-forming contaminants oninanimate objects isa. antisepsis b. disinfection c. sterilization d. degermationarrow_forwardWhich of the following treatments of sewage involves the use of anaerobic bacteria?A. Primary sedimentation tanksB. Aeration tanks in secondary treatmentC. Settling tanks in secondary treatmentD. Flat plate collectorE. Sludge digesterarrow_forward
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