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Author Question: An organism that can grow in an environment with an alkaline pH, high salt concentration, and at a ... (Read 101 times)

SAVANNAHHOOPER23

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An organism that can grow in an environment with an alkaline pH, high salt concentration, and at a temperature of 0C is described as
 
  A) alkaliphilic, halophilic, and mesophlic. B) acidophilic, alkaliphilic, and thermophilic.
  C) alkaliphilic, halophilic, and psychrophilic. D) acidophilic, mesophlic, and thermophilic.

Question 2

A 2-week-old baby boy is hospitalized with fever, poor feeding, and lethargy.
 
  Laboratory results to date include:
   Blood cultures: negative to date
   Cerebrospinal fluid:
   4200 WBC/l with 95 neutrophils
   Glucose: 2 mg/dl
   Protein: 355 mg/dl
   Direct Gram stain: few small gram-positive coccobacilli and moderate WBCs
   Direct bacterial latex agglutination:
   H. influenzae type b, N. meningitidis serogroups A, C, Y, and W135, S. pneumoniae, Group B Streptococcus, and E. coli K1  All negative
   CSF culture at 24 hours: moderate growth of a gray, white colony with a narrow zone of
   beta-hemolysis
  You would expect this organism to be
  A) catalase positive. B) CAMP negative.
  C) esculin negative. D) sodium hippurate negative.



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lorealeza

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Answer to Question 1

C

Answer to Question 2

A





 

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