gram + DOC

Question 1

S. aureus

• Food poisoning
• toxic shock syndrome

Answer 1

• food poisoning: none

- toxic shock syndrome: clindamycin + nafcillin, oxacillin

Question 2

S. aureus:

- folliculitis and impetigo

Answer 2

topical mupirocin

Question 3

s. aureus:

- endocarditis, pneumonia, osteomyelitis, septic arthritis, meningitis

Answer 3

nafcillin

oxacillin

Question 4

MRSA

Answer 4

vancomycin

Question 5

Staph epidermidis

-endocarditis

Answer 5

vancomycin

Question 6

staph saprophyticus

-UTI

Answer 6

TMP-SMX

second line: floroquinolones

Question 7

strep pyogenes:

-invasive (necrotizing fascilitis)

Answer 7

IV Pen G

second line: clindomycin

Question 8

strep pyogenes

-strep throat

Answer 8

Pen V

second line: amoxicillin

Question 9

strep pyogenes

-PS glomerulonephritis

Answer 9

penicillin

second line: erythromycin

Question 10

strep pyogenes

-scarlet fever

Answer 10

IM benzathine Pen G

Question 11

strep pyogenes

-pyoderma (skin infections)

Answer 11

penicillin

second line: erythromycin

Question 12

when in doubt with strep pyogenes: guess _____

Answer 12

some kind of penicillin

Question 13

strep viridans

-endocarditis

Answer 13

penG

Question 14

strep mutans

-endocarditis

Answer 14

pen G

Question 15

strep penumoniae

-pneumonia

Answer 15

beta-lactam for pen sense strep

second line: 3rd gen cephalosporins

Question 16

strep penumoniae

-meningitis

Answer 16

ceftriaxone + vancomycin

Question 17

strep penumoniae

-otitis media and sinusitis

Answer 17

amoxicillin

penicillin allergy: use macrolide

Question 18

strep agalactiae

-neonatal meningitis

Answer 18

pen G

Question 19

enterococci

-UTI

Answer 19

ampicillin

Question 20

enterococci

-endocarditis

Answer 20

penicillin G
or
ampicillin + gentamycin

Question 21

actinomyces

-cervicofacial actinomycosis

Answer 21

penicillin

allergy: give tetracycline

Question 22

bacillus anthracis

• cutaneous
• inhalation

Answer 22

• cutaneous: ciprofloxacin or doxy

- inhalation: ciprofloxacin + rifampin + vancomycin

Question 23

bacillus cereus

-food poisoning

Answer 23

none!

Question 24

clostridium botulinum

Answer 24

CI in infections

Question 25

Clostridium difficile | -antibiotic-associated diarrhea

Answer 25

vancomycin (oral) or metronidazole

Question 26

clostridium perfringens | -gas gangrene

Answer 26

penicillin + clindamycin or tetracycline and surgical debridement

Question 27

clostridium tetani

Answer 27

metronidazole antitoxin most important

Question 28

corynebacterium diphtheriae

Answer 28

erythromycin or Pen G antitoxin most important

Question 29

gardnerella vaginalis | -bacterial vaginosis

Answer 29

metronidazole

Question 30

listeria monocytogenes -neonatal meningitis -pregnancy gastroenteritis with fever

Answer 30

all can be given ampicillin (or TMP-SMX for allergy) | -neonatal meningitis: can also use Pen G

Question 31

mycobacterium TB

Answer 31

RIPE | -rifampin, isonazid, pyrazinamide, ethambutol

Question 32

Mycobacterium avium complex

Answer 32

clarithromycin or azithromycin second line: ethambutol or rifampin

Question 33

nocardia | -pulmonary

Answer 33

TMP-SMX