Most Commons

Question 1

Subacute endocarditis

Answer 1

Strep viridans

Question 2

Acute endocarditis - IV drug abuser

Answer 2

Staph aureus, GNR (aerobic), Enterococcus

Question 3

Acute endocarditis - Prosthetic valve

Answer 3

Staph epidermidis

Question 4

Intra-abdominal tissues

Answer 4

E. coli, Enterococcus, anaerobes (esp. B. fragilis), other GN aerobic bacilli

Question 5

Meningitis- age: < 2 mos

Answer 5

Group B Strep, E. coli, Listeria monocytogenes

Question 6

Meningitis - age: 2 mos to 12 yrs

Answer 6

Strep pneumo, Neisseria meningitidis, H. flu

Question 7

Meningitis - adult, community acquired

Answer 7

Strep pneumo, N. meningitidis

Question 8

Meningitis - adult - hospital acquired

Answer 8

Strep pneumo, N. meningitidis, GN aerobic bacilli

Question 9

Meningitis- HIV co-infected

Answer 9

Cryptococcus neoformans, Strep pneumo

Question 10

URI, bacterial, community acquired

Answer 10

Strep pneumo, H flu, M catarrhalis, group A strep

Question 11

LRI, bacterial, community acquired

Answer 11

Strep pneumo, H flu, M catarrhalis, Kleb pneumo, Mycoplasma pneumoniae, C. pneumoniae,

Question 12

Aspiration pneumonia

Answer 12

Mouth flora (aerobic and anaerobic)

Question 13

LRI, bacterial, hospital acquired

Answer 13

Staph aureus (incl. MRSA) Pseud aerug, GN aerobic bacilli

Question 14

LRI, bacterial, HIV co-infected

Answer 14

Pneumocystis jiroveci, Spne