Sputum sample was collected from a 60 yr. old man suffering from a purulent cough and fever


Question Number 1112
Question:
Sputum sample was collected from a 60 yr. old man suffering from a purulent cough and fever. The man was later found to have lobar pneumonia. The sputum was subjected to a gram staining technique. Gram positive, capsulated, flame shaped diplococci were seen when the stained smear was examined under the microscope. Sputum culture on blood agar revealed dome shape centrally umblicated colonies with evidence of alpha hemolysis.
The organism causing the infection is likely to be
a) Staphylococcus aureus
b) Klebsiella pneumoniae
c) Streptococcus pneumoniae
d) Corynebacterium diptheriae
e) Mycoplasma pneumoniae


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