Bony structures with low mineral content

An oxidase negative, non-lactose fermenter isolated from the stool culture of a 3-year-old female with bloody diarrhea. The organism proves to be:

TSI: red/yellow PAD: no color change Urea: no color change VP: no color change Motility: clear, distinct stab line Indole: no color change If it serotypes as a group D, you would identify the organism as A) Salmonella typhi. B) Shigella sonnei. C) Shigella dysenteriae. D) The serotype must be repeated after boiling the organism suspension.

Generally, heat applications penetrate deeper than cold applications do

Indicate whether the statement is true or false