Gram-negative — Flashcards

Flashcard 11: Production of what byproduct differentiates Salmonella from Shigella?

Answer: Salmonella produces hydrogen sulfide

Flashcard 12: What morphologic feature distinguishes Salmonella from Shigella?

Answer: Salmonella has flagella mnemonic: salmon swim

Flashcard 13: Shigella spp.

Answer: -

Extra: bacillinon-fermenter-dysentery

Flashcard 14: Salmonella enterica

Answer: -

Extra: bacillinon-fermenter-diarrhea, sometimes dysentery (mucus and blood)

Flashcard 15: Describe the classic appearance of sputum from Klebsiella pneumonia.

Answer: "red currant jelly" sputum

Flashcard 16: What populations are most commonly associated with Klebsiella pneumonia?

Answer: alcoholics, diabetics

Flashcard 17: Klebsiella spp.

Answer: -

Extra: bacillifast fermenterlobar pneumonia in alcoholics, nosocomial UTIs

Flashcard 18: hemolytic-uremic syndrome

Answer: EHEC O157:H7

Extra: anemia, thrombocytopenia, acute renal failureanemia, thrombocytopeina

Flashcard 19: What test distinguishes EHEC from other E. coli strains?

Answer: EHEC can't ferment sorbitol

Flashcard 20: hemorrhagic E. coli (EHEC)

Answer:

Extra: hemolytic-uremic syndrome, dysentery