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  #1  
Old 10-03-2011
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Question Mİcrob

A 14-year-old boy is brought to the emergency department by his parents because of high fever, headache, and stiff neck for the past
36 hours. He has become confused over the course of the morning.He uses no medications, has no allergies, and is not sexually active. On examination, he has a temperature of 38 C, moderate nuchal rigidity, and marked photophobia. Lumbar puncture is performed, and the cerebrospinal fluid shows: WBC 3500 with 95% PMNs, elevated protein, decreased glucose, and gram-positive cocci in pairs and
short chains. By which of the following mechanisms does this organism mediate its attachment to the respiratory mucosa?
A. Production of a C carbohydrate
B. Production of a hemolytic exotoxin
C. Production of a hyaluronic acid capsule
D. Production of an IgA protease
E. Production of an M protein
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The above post was thanked by:
aknz (10-03-2011), m82_ghasemi (10-03-2011)



  #2  
Old 10-03-2011
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D. Production of an IgA protease
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  #3  
Old 10-03-2011
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Correct Answer

D is correct. Pneumococcus meningaitis
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  #4  
Old 10-03-2011
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its N.meningitidis its encapsulated so IgA protease
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