Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 3R
What similar problems are encountered with antiviral, antifungal, antiprotozoan, and antihelminthic drugs?
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Chapter 20 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 20 - DRAW IT Show where the following antibiotics work:...Ch. 20 - List and explain five criteria used to identify an...Ch. 20 - What similar problems are encountered with...Ch. 20 - Define drug resistance. How is it produced? What...Ch. 20 - List the advantages of using two chemotherapeutic...Ch. 20 - Why does a cell die from the following...Ch. 20 - How does each of the following inhibit...Ch. 20 - The OH is missing from carbon 39 in ddI. How does...Ch. 20 - Compare the method of action of the following...Ch. 20 - NAME IT This microorganism is not susceptible to...
Ch. 20 - Which of the following pairs is mismatched? a....Ch. 20 - Prob. 2MCQCh. 20 - Prob. 3MCQCh. 20 - An antimicrobial agent should meet all of the...Ch. 20 - The most selective antimicrobial activity would be...Ch. 20 - Prob. 6MCQCh. 20 - Which of the following will not affect eukaryotic...Ch. 20 - Cell membrane damage causes death because a. the...Ch. 20 - A drug that intercalates into DNA has the...Ch. 20 - Chloramphenicol binds to the 50S portion of a...Ch. 20 - Prob. 1ACh. 20 - Why is idoxuridine effective if host cells also...Ch. 20 - Some bacteria become resistant to tetracycline...Ch. 20 - The following data were obtained from a...Ch. 20 - Prob. 5ACh. 20 - The following results were obtained from a broth...Ch. 20 - Vancomycin-resistant Enterococcus faecalis was...Ch. 20 - Prob. 2CAECh. 20 - Prob. 3CAE
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- what is pharmacophore? what is the importance of pharmacophore in drug discovery?arrow_forwardImportant characteristics of antimicrobial drugs include: a) readily delivered to the site of infection b) high toxicity against microbial cells c) do not cause serious side effects in humans d) remains active in body tissues and fluids e) all of the abovearrow_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_forward
- Would puromycin be useful for the treatment of a virus infection? Why or why not? Would chloramphenicol be useful?arrow_forwardWhat are antipyretics and how do they work?arrow_forwardWhy do the penicillin and cephalosporin groups of drugs have mildertoxicity than other antibiotics? What are their primary side effects?arrow_forward
- 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.arrow_forwardWhat is the reason why essential drugs need to be accessilble for all people?arrow_forwardWhat are antimicrobial peptides?arrow_forward
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USMLE-Rx Antimicrobial Therapy; Author: USMLE-Rx;https://www.youtube.com/watch?v=Pka1Ynlrqtw;License: Standard Youtube License