What type of chemical will allow some bacteria to be resistant to many penicillins?
A. synercid
B. penicillinase
C. aztreonam
D. clavulanic acid
E. imipenem
Answer: B
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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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