Exam 23: Chryseobacterium, Sphingobacterium, and Similar Organisms

The natural habitat of Chryseobacterium sp.can best be described as the:

Which two organisms should be used for quality control purposes to determine the validity of the indole reagent?

Quality control was performed to determine the validity of urea agar.Sphingobacterium multivorum and Elizabethkingia meningoseptica were used, which yielded positive for S.multivorum and negative for E.meningoseptica.Which one of the following statements explains this discrepancy?

Neonates and individuals who are immunocompromised are at risk for developing meningitis if they contract which organism?

On Gram stain, which organism appears thin in the center and thicker at the ends?

The natural habitat of the bacterium Sphingobacterium is:

A patient receiving hemodialysis began spiking a fever shortly after his treatment.Blood cultures were drawn and grew out the following gram negative rods that were indole positive with variable results for urea, nitrate reduction and gelatin.The organism is most likely:

A patient with a bacteremia identified as Elizabethkingia meningoseptica infection was placed on intravenous penicillin; however, the patient did not improve after 5 days.Which one of the following statements explains these findings?

Which organism is indole- and gelatin-positive but does not have the ability to oxidize mannitol?

Which organism's virulence is due to protease and gelatinase production, which causes the destruction of host cells and tissues?