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Author Question: An organism that is unable to grow in ambient air, grows as tiny colonies in 5 to 10 oxygen and 10 ... (Read 107 times)

joe

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on: Jun 25, 2018
An organism that is unable to grow in ambient air, grows as tiny colonies in 5 to 10 oxygen and 10 CO2, and grows under anaerobic environment is called a
 
  A) microaerophilic organism. B) strict anaerobe.
  C) microaerotolerant anaerobe. D) facultative anaerobe.

Question 2

A day shift microbiologist encounters an oxidase negative, non-lactose fermenter in a urine culture. To determine if it is a member of the Enterobacteriaceae or a nonfermenter, he sets up a TSI agar slant.
 
  After 10 hours of incubation at 35C in ambient air, the evening shift microbiologist reads the tube as a yellow slant and yellow deep or butt. This result
  A) indicates a member of the Enterobacteriaceae.
  B) could be due to a gram-positive organism. Perform a Gram stain.
  C) is invalid.
  D) indicates a nonfermenter.


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Tabitha_2016

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Reply #1 on: Jun 25, 2018
Answer to Question 1

A

Answer to Question 2

C


joe

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Reply 2 on: Jun 25, 2018
:D TYSM

helenmarkerine

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Reply 3 on: Yesterday
Excellent

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