A throat culture provides the following results: Moderate growth ...

[appyboo]

A throat culture provides the following results:
  Moderate growth of alpha-hemolytic, catalase-negative, optochin-susceptible, gram-positive diplococci
  Heavy growth of alpha-hemolytic, catalase-negative, optochin-resistant, gram-positive cocci
 
  Heavy growth of gamma-hemolytic, oxidase-positive, glucose- and maltose-positive, gram diplococci
  You would report
  A) heavy growth of Streptococcus pneumoniae and heavy growth of normal upper respiratory flora.
  B) heavy growth of Neisseria meningitidis and heavy growth of normal upper respiratory flora.
  C) heavy growth of normal upper respiratory flora.
  D) moderate growth of Streptococcus pneumoniae and heavy growth of normal upper respiratory flora.

Question 2

A catalase-negative, gram-positive coccus that is bile esculin positive and 6.5 NaCl broth positive belongs to the Lancefield antigenic group
 
  A) A. B) B. C) C. D) D.

[raenoj]

Answer to Question 1

C

Answer to Question 2

D

[appyboo]

Thanks for the timely response, appreciate it

[xiaomengxian]

Great answer, keep it coming