MicroMan: Rules of 'thumb'

Question 1

All anaerobes are sensitive to which antibiotic?

Answer 1

Metronidazole

Question 2

Gram negative ‘coliforms’ are sensitive to which antibiotic?

Answer 2

Gentamicin

Question 3

Name some coliforms

Answer 3

E. coli
Klebsiella
Enterobacter
Proteuz

Question 4

Pseudomonas aeruginoa is sensitive to which antibiotic?

Answer 4

Gentamcin

Question 5

Amoxicillin covers what % of E.coli?

Answer 5

40%

Question 6

Co-trimoxazole covers what % of E.coli?

Answer 6

65%

Question 7

Extended Spectrum Beta Lactamases (ESBL) are resistant to?

Answer 7

ALL penicillins

including co-amoxiclav, piperacillin-tazobactam & aztreonam

Question 8

Which antibiotics cover EDBLs?

Answer 8

Temocillin & meropenem

Question 9

Which bacteria does Temocillin NOT cover?

Answer 9

Pseudomonas

Question 10

Pip-tazobactam (&meropenem) have cover for anaerobic or aerobic?

Answer 10

Anaerobic cover hence don’t need metronidazole

Question 11

Temocillin and azetreonam have no cover for anaerobic/aerobic and gram +ve/-ve

Answer 11

No cover for anaerobic and gram +ve

Question 12

Gram positives (e.g. staph, MRSA, streps + enterococci) are sensitive to which antibiotic?

Answer 12

Vancomycin

Question 13

MRSA is resistant to which antibiotics?

Answer 13

All beta-lactams

penicillin, flucloxacillin, pip-tazobactam, cephalosporins & meropenem

Question 14

VRE are resistant to which antibiotics?

Answer 14

Vancomycin and meropenem

Question 15

Beta-haemolytic streps (group A, B, C and G) are sensitive to?

Answer 15

Penicillin and flucloxacillin