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16 Cards in this Set

  • Front
  • Back
1. What is an antibiotic?
Antimicrobial drugs produced by microorganisms
1. What is a synthetic drug?
Antimicrobial drugs synthesized in the lab.

-Antibacterial synthetic drugs
-Antifungal synthetic drugs
-Antiviral agents
1. List the five major ways by which an antibiotic or antimicrobial synthetic drug work?
a. inhibition of cell wall synthesis
b. inhibition of protein synthesis
c. injury to plasma membrane
d. inhibition of nucleic acid synthesis
e. inhibition of synthesis of essential metabolites
1. What is selective toxicity? What group of antibiotics have the best selective toxicity? Why?
1
1. Are the sulfa drugs selectively toxic? Why or why not?
1
1. Know the action of each of the following: chloramphenical, streptomycin, erythromycin, tetracyclines.
1
1. List three drugs that stop the replication of Mycobacterium tuberculosis.
1
1. Why are there so many penicillins on the market today?
1
1. What does the 'R' group of penicillin do? How does it affect the activity of the penicillin?
1
1. Why is it so hard to find antiviral drugs? Antifungal drugs?
1
1. Why are the polyene antibiotics antifungal and not antibacterial?
1
1. How does AZT work?
1
1. List four ways bacteria become resistant to antibiotics.
1
1. Why can bacteria become resistant to antibiotics and not chemical disinfectants?
1
1. Do antibiotics do anything to viruses? Why or why not?
1
1. What does 'broad spectrum' mean? 'Narrow spectrum'?
1