Which of the following tests/characteristics will differentiate ...

[ENagel]

Which of the following tests/characteristics will differentiate Pasteurella and Capnocytophaga?
 
  A) Indole B) Oxidase C) Origin of infection D) Both A and B

Question 2

An alpha-hemolytic, catalase-negative, gram-positive diplococcus was isolated from the expectorated sputum of a 79-year-old female admitted with pneumonia.
 
  The umbilicated colony was tested against optochin and provided a zone of inhibition equal to 18 mm. The organism was screened for penicillin resistance. The oxacillin disk diffusion result equaled 16 mm. The organism should
  A) be reported as a penicillin-resistant Streptococcus pneumoniae.
  B) not be reported because it is a viridans Streptococcus.
  C) be reported as a penicillin-susceptible Streptococcus pneumoniae.
  D) be retested against penicillin using an MIC method.

[Bsand8]

Answer to Question 1

A

Answer to Question 2

D

[ENagel]

TYSM

[matt95]

Excellent