Gram Negative Bacteria in Medical Microbiology

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5 Questions

Which of the following is a characteristic morphology of Klebsiella sp.?

Gram negative, nonmotile, short and thick bacilli

What is the color of the colonies formed by Klebsiella pneumoniae on MacConkey agar?

Pink

Which sugar fermentation test result is characteristic of Klebsiella sp.?

Fermentation of glucose, lactose, mannitol, and maltose

Which of the following is a common site where Klebsiella pneumoniae is found in humans?

Intestines

What is the main reason for the mucoid colonies formed by Klebsiella sp. on media?

Formation of a large capsule

Learn about Gram negative bacteria in medical microbiology with a focus on lactose fermenting and non-lactose fermenting Enterobacteriaceae including Klebsiella, Salmonella, Shigella, and Proteus. Understand their morphology and characteristics such as capsule formation and fimbriation.

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