Microbiology

Question 1

Prosthetic joint infection

Answer 1

Coagulase-negative streptococci

Question 2

Young sexually active adult especially women with arthritis and associated vesicular and pustular skin rash and tenosynovitis

Answer 2

Neisseria gonorrhea

Question 3

IV drug users especially the sternoclavicular joint

Answer 3

Pseudomonas species

and gram-negative organisms

Question 4

Characteristic of viral arthritis

Answer 4

Migratory arthritis
multiple joints affected
and skin rashes Common

Question 5

What is the effect of steroid use on septic arthritis

Answer 5

Steroids mask signs of infection

Question 6

Name two virulence factors of staphylococcus aureus

Answer 6

Resistant to desiccation and salt

Contains coagulase that causes coagulation of plasma

Question 7

Anaerobic

Answer 7

Metronidasole

Question 8

Staph aureus

Answer 8

Cloxacillin

Question 9

Coagulase-negative staphylococci

Answer 9

Vancomycin (+ Rifampicin)