Aminoglycosides
A. interfere with elongation of peptidoglycan.
B. block folic acid synthesis.
C. attach to the 30S ribosomal subunit and disrupt protein synthesis.
D. damage cell membranes.
E. block peptidases that cross-link glycan molecules.
Answer: C
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Microbiology Chapter 10
- Which two antibiotics affect the DNA and RNA of bacteria?
- Which therapeutic index value would be the drug of choice?
- If pathogen A is more resistant to an erythromycin disc on a Kirby-Bauer plate compared to pathogen B, then pathogen A will have a(n) _____ zone of inhibition compared to pathogen B.
- A ratio of the dose of a drug that is toxic to humans versus the minimum effective dose for that pathogen is assessed to predict the potential for toxic drug reactions. This is called the
- A clinical microbiologist makes serial dilutions of several antimicrobials in broth and then incubates each drug dilution series with a standard amount of a patient's isolated pathogen. What is this microbiologist setting up?
- Drug susceptibility testing determines
- The _____ are drugs that deposit in developing teeth and cause a permanent brown discoloration.
- A superinfection results from
- Side effects that occur in patient's tissues while on antimicrobial drugs include all the following except
- Broad-spectrum drugs that disrupt the body's normal flora often cause
- The use of vaginal inserts of Lactobacillus to restore healthy vaginal biota is an example of
- Nutrients that encourage the growth of beneficial microbes in the intestines are known as
- Each of the following contributes to emerging drug resistance except
- Each of the following is a mechanism for drug resistance transfer between microorganisms except
- Each of the following result in drug resistance except
- Microbial resistance resulting from mutation occurs because
- The multidrug-resistant pumps in many bacterial cell membranes function by
- The cellular basis for bacterial resistance to antimicrobials include
- Which of the following block HIV binding to host cell receptors?
- Acyclovir is used to treat
- Antiviral drugs that target reverse transcriptase would be used to treat
- An antiviral that is a guanine analog would have an antiviral mode of action that
- Which of the following is not a mode of action of antiviral drugs?
- Primaquine and chloroquine are drugs used in the treatment of
- There are fewer antifungal, antiprotozoal, and antihelminth drugs compared to antibacterial drugs because fungi, protozoa, and helminths
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