HY USMLE Q #758 – Microbiology

A 26-year-old woman comes is brought to emergency for severe right-sided chest pain. One week ago, she underwent pleurodesis for definitive management of recurrent pneumothoraces. Temperature is 103 F, HR 100, BP 80/60. There is crepitus to palpation of the right anterior chest wall. A biopsy of the subcutaneous tissue is obtained. A gram stain is shown. Which of the following is most associated with the virulence of the causal organism?

 

 

 

 

  Catalase
  Coagulase
  Lipid A
  Lipoteichoic acid
  Phospholipase

2 Comments on “HY USMLE Q #758 – Microbiology”

  1. Thank a lot Dr Mehlman for taking time to organize the subjects together.
    I am looking for Microbiology and Pathology,
    pls if available,could it be sent to my mail

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