Author Question: Which of the following tests/characteristics will differentiate Pasteurella and Capnocytophaga? ... (Read 78 times)

ENagel · **on:** Jun 25, 2018

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.