EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
5th Edition
ISBN: 9780134607894
Author: BAUMAN
Publisher: PEARSON CO
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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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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. aureus
Below, 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.)?
Broad-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.
Chapter 9 Solutions
EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
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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- Which 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_forwardSilvadene, a topical treatment for burns, contains 1% silver. What category of chemical antimicrobial agent is in Silvadene? Select one: a.antibiotics b.None of the Above c.halogens d.aldehydes e.oxidizing agentsarrow_forwardWhich of the following medication doses are calculated by using the area under the curve method? A. Carboplatin B. Dacarbazine C. Ifosfamide D. Cyclophosphamidearrow_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_forwardWhen two antimicrobial drugs are used at the same time, antagonistic effects can occur. Which of the following is NOT a possible antagonistic effect of combining two antimicrobial drugs? Increased elimination of one drug Increased activity of both drugs Increased toxicity Decreased therapeutic levels Decreased activity of both drugsarrow_forwardA compound synthesized by bacteria or fungi that destroys or inhibitsthe growth of other microbes is a(n)a. synthetic drug b. antibiotic c. antimicrobial drug d. competitive inhibitorarrow_forward
- Your 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_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_forward
- Your patient has a severe sore throat. A throat swab has allowed you to isolate the causative bacterium, which you subjected to a Minimum Inhibitory Concentration Test. For each of the antibiotics tested, you also know its therapeutic index. Whích would be the best drug to use to treat your patient? O Highest MIC and largest therapeutic index O Lowest MIC and smallest therapeutic index O Highest MIC and smallest therapeutic index O Lowest MIC and largest therapeutic indexarrow_forwardCould an organism that is susceptible to an antimicrobial agent in laboratory testing fail to respond to it when that drug is used to treat the patient? Explain.arrow_forwardExplain the difference in Microbial Inhibitory Concentration and Microbial Bactericidal Concentration. (When explaining differences you have to talk about both things being compared. Just explain how they are different. Definitions will not be accepted.)arrow_forward
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