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Flashcards in Most Common Deck (34)
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1

Most common cause of septic arthritis

Staphylococcus aureus


[also says that N.gonorrhea is the most common cause of septic arthritis in sexually active adults]

2

Most common cause of osteomyelitis

Staphylococcus aureus

3

Most common cause of endocarditis of artificial heart valves

Staphylococcus epidermidis

4

#1 cause of meningitis in neonates

Streptococcus agalactiae (group B strep)

5

#1 cause of community-acquired pneumonia

Streptococcus pneumoniae

6

Most common bacterial cause of meningitis, otitis media, pneumonia, and sinusitis

Streptococcus pneumoniae (MOPS mneumonic)

7

Which is more common, Enterococcus faecium or Enterococcus faecalis?

E. faecalis

8

Most common illness associated with Klebsiella pneumoniae infection

UTI (often nosocomial, associated with foley catheter)



[note that UTI is also the most common illness associated with Serratia marcescens]

9

#1 cause of osteomyelitis in patients with sickle cell disease

Salmonella typhi

10

#1 cause of UTIs

Escherichia coli

11

#1 cause of gram-negative nosocomial pneumonia

Pseudomonas aeruginosa

12

Leading cause of blindness worldwide

Chlamydia trachomatis (group A-C)

13

Most common bacterial STI

Chlamydia trachomatis (group D-K)

14

Most common cause of erysipelas

Strep pyogenes

15

Which is more common in the US, Shigella sonnei or Shigella dysenteriae?

Shigella sonnei

16

Most common cause of aseptic (nonbacterial) meningitis, with young children being the most susceptible

Enteroviruses (Picornaviridae family) - including poliovirus, coxsackie A and B, and echovirus

17

Most common Calicivirus (Caliciviridae)

Norovirus

18

Most common cause of sporadic encephalitis in USA

HSV type 1 (causes temporal lobe encephalitis)

19

Most common cause of sensorineural hearing loss in children

CMV (herpesviridae family)

20

#1 cause of congenital viral infection

CMV (herpesviridae family)

21

Most common manifestation of CMV infection in AIDS patients vs. most common manifestation in non-immunosuppressed

AIDS pts = CMV retinitis

Non-immunosuppressed = CMV mononucleosis

22

Most common site of lesions associated with HHV-8, Kaposi’s sarcoma

Hard palate

23

Most common cause of tonsilitis and adenoiditis

Adenovirus (adenoviridae)

24

#1 cause of liver transplants

Hepatitis C

25

#1 cause of hepatocellular carcinoma

Hepatitis C

26

Most common cause of PNA and bronchiolitis in infants

Respiratory Syncytial Virus (RSV) of paramyxoviridae family

27

Most common cause of severe diarrhea in young children

Rotavirus (Reoviridae)

28

Most common cause of opportunistic mycoses

Candida albicans

29

Most common cause of fungal meningitis

Cryptococcus neoformans

30

Most common predisposing factor to mucormycetes fungal infection

Diabetic ketoacidosis