MKSAP ID

Question 1

what makes something an ESBL bacteria?

Answer 1

resistance to oxyimino-β-lactam substrates (cefotaxime, ceftazidime, ceftriaxone)

ESBL-producing = extended spectum beta lactamase -producing

Question 2

What antibiotics are preferred for ESBLs?

Answer 2

carbapenem
(imipenem, meropenem, doripenem, ertapenem)

Question 3

pneumonia associated with birds

Answer 3

Chlamydia psittaci

Question 4

lab findings in anaplasmosis

Answer 4

leukopenia
thrombocytopenia
abnormal LFTs

Question 5

when do you give dex in bacterial meningitis?

Answer 5

with first dose of empiric abx therapy;
d/c if source not Strep pneumoniae

Question 6

which diagnostic test for influenza is preferred?

Answer 6

nucleic acid amplification test (NAAT)

better than antigen test

Question 7

outpatient treatment for CAP in otherwise healthy person

Answer 7

amoxicillin, doxycycline

comorbidities –> resp fluroquinolone (levaquin)

Question 8

Management of hospitalized patient with candidemia and a PICC

Answer 8

Remove PICC + echinocandin (micafungin, caspofungin, or anidulafungin)

When candidemia is likely to be the result of an intravenous (IV) catheter, the catheter must be removed promptly because it serves as a nidus for ongoing candidemia.

Question 9

When do you need anaerobic coverage for aspiration PNA?

Answer 9

empyema, lung abscess, or postobstructive pneumonia

do NOT need it for regular pneumonia associated with aspiration even

Question 10

patient with fever, hypotension and rash

caused by?

Answer 10

Neisseria meningitidis

• Purpura fulminans: lesions begin as petechia –> purpura –> painful purple lesions/necrosis/bullae/vesicles
• caused by meningococcal-induced microvascular thrombosis and disseminated intravascular coagulation