Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 9, Problem 5MC
Summary Introduction
Introduction:
The antimicrobial drugs can be natural, synthetic, or semi-synthetic. These drugs act on the fungi, bacteria, and viruses. These drugs are also used to control and eradicate the microbial growth. For example, some drugs are available in powder form that are applied to the
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Which of the following is not a factor that should be considered when selecting a antimicrobial drug?
A. The nature of the microbe causing the infection
B. The overall medical condition of the patient
C. The origin of the drug
D. The degree of susceptibility of the microbe to that drug
The Kirby -Bauer antimicrobial sensitivity testing method relies on:
A. The inhibition of one antimicrobial by another
B. The diffusion of antimicrobials in paper discs
C. Serial dilutions of antimicrobials in test tubes
D. A gradient of an antimicrobial on a paper strip
Microbial Sensitivity Matching:
Chapter 9 Solutions
Microbiology with Diseases by Body System (4th 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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- There are many bacterial-antimicrobial resistance combinations. Which one of the following is of maior international concern? a. Sulfonamide resistance in Neisseria meningitides b. Penicillin G resistance in N. gonorrhoeae C. Ampicillin resistance in H. influenza d. Erythromycin resistance in S. pyogenes (group A streptococci) e. Vancomycin resistance in S. aureusarrow_forwardBelow, you can see a picture of an antimicrobial drug. Regarding semi-synthetic antimicrobial drug development to try to avoid development of antibiotic resistance, use 1 sentence to address what is the significance/value of the presence of the various R-groups (e.g. R4, R5, R6, etc.)?arrow_forwardBroad-spectrum drugs target a wide variety of bacterial pathogens. Even when the broad-spectrum drug is capable of killing a target pathogen, it may not be the best treatment. Which statement best explains why a broad spectrum drug might be an undesirable treatment choice? Broad-spectrum antimicrobials are usually toxic to the host cells. Broad-spectrum antimicrobials only work if they are used shortly after the infection begins. Broad-spectrum antimicrobials may kill much of the normal microbiota. Broad-spectrum antimicrobials are not able to kill bacteria that are in their log phase of growth. Broad-spectrum antimicrobials may stimulate excess growth of the normal microbiota.arrow_forward
- Which clinical situation would be appropriate for treatment with a narrow-spectrum antimicrobial drug? Select one: a.prophylaxis against infection after a surgical procedure b.The treatment of strep throat caused by culture identified as Streptococcus pyogenes c.None of the Above d.the treatment of a polymicrobial mixed infection in the intestine e.Empiric therapy (based on educated guesswork) of pneumonia while waiting for culture resultsarrow_forwardWhich one of the following methods of antimicrobial susceptibility testing requires a dilution series of the antibiotic and can provide a minimum inhibitory concentration? Select one: a. Disk diffusion method b. Broth microdilution method c. Agar macrodilution method d. Gradient diffusion methodarrow_forwardMany antibacterial hand soaps contain the chemical agent _____ , which belongs to the _____ antimicrobial category. a. sodium hypochlorite; halogen b. triclosan; phenolic c. sodium chlorite; halogen d. ethanol; alcoholarrow_forward
- Create a bar graph to demonstrate the zones of inhibition for each antibiotic. Use the data table from the average. Make sure all elements that make up a good bar graph are included.arrow_forwardYour labmate forgot to use CBB-R250 in the process. Which of the following would most likely be the resulting gel?arrow_forwardWhich of the following statements concerning drug delivery system is INCORRECT?* A.Drugs with good aqueous solubility are good for controlled release formulation. B.The delay-released form is also called extended release form. C.Absorption rate is higher in compressed tablets than that in capsules. D.Drug core with polymer membrane coating belongs to diffusion sustained system. E.Disintegration and dissolution can occur at the same time.arrow_forward
- A factor in the zone of inhibition size on the Kirby-Bauer plate is: a. amount of medium placed on the plate b. rate of diffusion of the drug used c. stage of growth of the microbe placed on the plate d. all of thesearrow_forwardWhich of the following is not a property of an antimicrobialagent?(a) Must have a favorable chemotherapeutic index(b) Must be selectively toxic(c) Must be effective against viral diseases(d) Must have a known concentration over a period oftime required to eliminate a pathogen(e) b and carrow_forward1. a. Disk A b. Disk B c. Disk C d. Disk D 2. a. Strip A with MIC at 0.25 μg/mL b. Strip B with MIC at 0.064 μg/mL c. Strip C with MIC at 0.075 μg/mL d. All of the strips show equal antimicrobial efficacyarrow_forward
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