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
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 20, Problem 5R
List the advantages of using two chemotherapeutic agents simultaneously to treat a disease. What problem can be encountered using two drugs?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The type of antimicrobial drug that would be most likely to have toxic effects in
humans based on the premise of selective toxicity when treating microbial infection
would be a drug that
O 1) inhibits the synthesis of the cell wall
O 2) inhibits metabolic pathways
O 3) disrupts the cytoplasmic membrane
4) inhibits protein synthesis
5) All of the above have equal potential to be toxic
Name the five mechanisms of action we utilize to fight microorganisms and list one antibacterial drug for each.
When 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 drugs
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
Additional Science Textbook Solutions
Find more solutions based on key concepts
Why is it unlikely that two neighboring water molecules would be arranged like this?
Campbell Biology (10th Edition)
True or false? Some trails are considered vestigial because they existed long ago.
Biological Science
What are the cervical and lumbar enlargements?
Principles of Anatomy and Physiology
Some people consider Pasteur or Koch to be the Father of Microbiology, rather than Leeuwenhoek. Why might they ...
Microbiology with Diseases by Body System (5th Edition)
How does trandlation differ from transcription?
Microbiology: Principles and Explorations
Knowledge Booster
Learn more about
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
- What are the major causes of the ineffectiveness of anticancer therapies?arrow_forwardEnumerate the different sources of drug. Provide example for each source. Discuss the advantages and disadvantages of each source.arrow_forwardWhat is the definition of a crude drug? Describe the drug's origins.arrow_forward
- Which of the following would NOT be a reason that a clinical trial is unethical? a) Researchers are in a state of equipoise for the two treatments under study b) The sample size is very small c) The benefits to participants are outweighed by the potential risks d) The researchers already know that one treatment is better than the otherarrow_forwardName and describe three mechanisms of acquired antimicrobial resistance tools that microbes may use to thwart drug action.arrow_forwardAccording to USP Chapter <797>, allergenic extract preparation can be made in a doctor’s office facility by trained personnel only if the allergenic extract preparation: a)Is compounded under a laminar air flow hood Is compounded by a pharmacist b)Contains an antimicrobial preservative c)Is used immediately after preparation d)Is prepared only from plant origin materialarrow_forward
- 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.)?arrow_forwardList some Characteristics of the Ideal Antimicrobial Drug.arrow_forwardWhich of the following inhibitors are correctly grouped? (Hint: same target) O cyanide, amytal, rotenon O oligomycin, antimycin A, piericidin O amytal, antimycin A, oligomycin O carbon monoxide, azide, cyanidearrow_forward
- Explain the advantages and disadvantages of developing newdrugs based on existing drug analogs. What other methodsexist for developing new drugs?arrow_forwardThe following are the limitations of Koch's postulates EXCEPT: A. some pathogens cannot grow on artificial media and therefore cannot be identified as the causative agent of the disease B. some diseases involve multiple pathogens which produce similar symptoms making it difficult to pinpoint the causative agent C. some diseases are host-specific and re-inoculation may pose ethical concerns D. some microorganisms are present in the body fluids of the infected animal which make them difficult to be culturedarrow_forwardNo one would dispute the facts that the use of antibiotics is extremely beneficial. Why then are there currently discussions around the idea that we as a society should be limiting our antibiotic use? What are the pros and cons of utilizing antibacterial and antimicrobial products (NOT antibiotics) on a daily basis? Do you agree or disagree that the use of antibiotics should be reduced and if so, how should it be done?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning
Principles Of Radiographic Imaging: An Art And A ...
Health & Nutrition
ISBN:9781337711067
Author:Richard R. Carlton, Arlene M. Adler, Vesna Balac
Publisher:Cengage Learning
Nutrition and Diet - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=SFE1DfAlipo;License: Standard Youtube License