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Author Question: A 29-year-old male was seen by his primary care physician for a large boil located on his neck. The ... (Read 102 times)

futuristic

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A 29-year-old male was seen by his primary care physician for a large boil located on his neck. The physician lanced the boil and expressed a large amount of pus. A sample was sent to the laboratory for culture.
 
  The culture yielded heavy growth of a yellow pigmented, beta-hemolytic colony. The Gram stain revealed gram-positive cocci in clusters. The organism was catalase positive and Staphylococcus latex agglutination negative. You would:
  A) boil a suspension of the organism and repeat the latex agglutination test.
  B) perform a thermonuclease test.
  C) report the organism as normal skin flora.
  D) report the organism as Staphylococcus aureus.

Question 2

A small, slender, gram-negative rod was recovered from the blood cultures of a patient following root canal surgery. At 48 hours, the following results were observed:
 
  BAP and CHOC agars: small gray colonies that tend to pit the agar
   MAC agar: no growth
   Odor upon opening the agar plates: bleach-like
  This organism will also be
  A) catalase negative and oxidase positive. B) catalase and oxidase negative.
  C) catalase and oxidase positive. D) catalase positive and oxidase negative.



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katheyjon

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Answer to Question 1

B

Answer to Question 2

A




futuristic

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Reply 2 on: Jun 25, 2018
Gracias!


bblaney

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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