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Test 1 PHM 203 Antimicrobial Spectrum of Activity Questions With Complete Solutions
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Test 1 PHM 203 Antimicrobial Spectrum of Activity Questions With Complete Solutions
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Test 1 PHM 203 Antimicrobial Spectrum of ActivityQuestions With Complete Solutions
1G Cephalosporins Correct Answers Easy to kill NG bacilli
- E coli, Proteus spp., Klebsiella spp.
Aerobic GP cocci
- staphylococci
- streptococci
Oral anaerobes
2G Cephalosporins Correct Answers Easy to kill GN bacilli
Aerobic GP cocci
Oral anaerobes
Cefoxitin: gut anaerobes (B. fragilis)
Cefuroxime: resp pathogens (H. flu, M. catarrhalis)
3G Cephalosporins Correct Answers Broader GN bacilli,
decreased GP
Ceftazidime: P. aeruginosa
Cefotaxime & Ceftriaxone: decreased staph, retain strep
4G Cephalosporins Correct Answers Better GN (incl. P.
aeruginosa)
No S. aureus activity
*stable against ampC, but not ESBL
5G Cephalosporins Correct Answers GP cocci (incl. MRSA)
Decreased GN activity
Amino-penicillins Correct Answers GP cocci (plus
enterococcus)
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