Which of the following can be utilized by Salmonella as a sole carbon source?
ANiacin
BCitrate
CTryptophan
DVitamin B-12
A patient presents with bloody diarrhea after eating undercooked meat. Which bacterial pathogen is most likely?
ASalmonella typhi
BShigella dysenteriae
CVibrio cholerae
DEscherichia coli O157:H7
Guests at a party consumed beef broth that was boiled earlier in the day but left at room temperature for several hours. The individuals presented with symptoms of food poisoning, including watery diarrhea and abdominal cramps, 8 to 10 hours later. The symptoms lasted 24 hours. The agent that caused the symptoms is most likely which of the following?
AGram-negative bacilli
BAn opportunistic fungus
CGram-positive cocci
DSpore-forming gram-positive bacilli
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