Questions and ANSWERS |
Latest Update 2026
What are the major antibiotic drug classes - ANSWER ✔✔Beta-
lactams: penicillins
Beta-lactams: Cephalosporins
fluoroquinolones
tetracyclines and macrolides
sulfonamides, trimethoprim, &nitrofurantoin
What is the primary goal of antibiotic therapy - ANSWER ✔✔kill
bacteria without harming host tissue
,Bactericidal antibiotics - ANSWER ✔✔directly kill bacteria
bacteriostatic antibiotics - ANSWER ✔✔Antibiotics that do not
actually kill bacteria but rather inhibit bacterial proliferation while the
hosts immune system does the killing
which antibiotics are preferred for immunocompromised patients:
bactericidal or bacteriostatic - ANSWER ✔✔bactericidal
which antibiotics are preferred for patients with an overwhelming
infection: bactericidal or bacteriostatic - ANSWER ✔✔bactericidal
broad spectrum antibiotics - ANSWER ✔✔affect a broad range of
gram-positive or gram-negative bacteria
narrow spectrum antibiotics - ANSWER ✔✔Effective against specific
bacteria
which is used for empiric therapy: narrow or broad - ANSWER
✔✔broad spectrum
Risks of Broad Spectrum - ANSWER ✔✔disruption of normal floral
increases risk of development of antibiotic resistance
, which antibiotics increase the risk of antibiotic resistance: narrow or
broad spectrum and why - ANSWER ✔✔Broad spectrum because
they kill more competing organisms than narrow spectrum drugs
is narrow or broad spectrum antibiotics preferred - ANSWER
✔✔narrow is preferred when possible.
broad spectrum only used when pathogen is unknown or when multiple
types of bacteria is suspected
Bactericidal drugs - ANSWER ✔✔Aminoglycosides
Beta-lactams
fluoroquinolones
Metronidazole
Vancomycin
streptogramins
most antimycobacterial agents (rifampin, isoniazid, streptomycin, etc)
bacteriostatic drugs - ANSWER ✔✔clindamycin
macrolides
sulfonamides
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