Unit 2.1: Antimicrobial Spectrum (4 quadrants of “coverage”)

Question 1

Spectrum: Broad
Aerobic bacteria: Gram (+) = postive ; Gram (-) = positive
Anaerobic bacteria: Gram (+) = postive ; Gram (-) = positive

Answer 1

Examples:
Cefoxitin
Chloramphenicol
Imipenam
Tetracyclines

Question 2

Spectrum: Intermediate
Aerobic bacteria: Gram (+) = postive ; Gram (-) = positive
Anaerobic bacteria: Gram (+) = postive ; Gram (-) = variable

Answer 2

Examples:
Carbenicillin
Ticarcillin
Ceftiofur
Penicillin/Clavulanic acid
Cephalosporins

Question 3

Spectrum: Intermediate
Aerobic bacteria: Gram (+) = postive ; Gram (-) = variable
Anaerobic bacteria: Gram (+) = postive ; Gram (-) = variable

Answer 3

Examples:
Ampicillin
Amoxicillin

Question 4

Spectrum: Intermediate
Aerobic bacteria: Gram (+) = postive ; Gram (-) = positive
Anaerobic bacteria: Gram (+) = negative ; Gram (-) = negative

Answer 4

Examples:
Aminoglycosides
Spectinomycin
Sulfonamides
Trimethoprim

Enrofloxacin

Question 5

Spectrum: Intermediate
Aerobic bacteria: Gram (+) = postive ; Gram (-) = negative
Anaerobic bacteria: Gram (+) = positive ; Gram (-) = positive

Answer 5

Examples:
Lincosamides
Macrolides
Pleuromutilins
Vancomycin

Question 6

Spectrum: Intermediate
Aerobic bacteria: Gram (+) = postive ; Gram (-) = negative
Anaerobic bacteria: Gram (+) = positive ; Gram (-) = negative

Answer 6

Examples:
Bacitracin

Question 7

Spectrum: Intermediate
Aerobic bacteria: Gram (+) =negative ; Gram (-) = negative
Anaerobic bacteria: Gram (+) = positive ; Gram (-) = positive

Answer 7

Nitromidazole