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Author Question: The methanol in Wright stain: a. Establishes the alkaline pH need for staining b. Fixes the ... (Read 88 times)

RODY.ELKHALIL

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on: Jun 25, 2018
The methanol in Wright stain:
 
  a. Establishes the alkaline pH need for staining
  b. Fixes the cells
  c. Establishes the acid pH needed for staining
  d. Serves no function except as a solvent for the dyes

Question 2

A decreased white count is called:
 
  a. Leukocytosis
  b. Leucopenia
  c. Thrombocytosis
  d. Thrombocytopenia


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meganmoser117

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

ANS: B
It is important that cell structures be stabilized before staining. If not, then the cells will be lysed when the buffer is added and thus will not adhere to the slide. Methanol in the stain fixes the cells to provide this stabilization of cell structure.

Answer to Question 2

ANS: B
A decreased white count is leucopenia. An elevated white count is leukocytosis. Thrombocytosis and thrombocytopenia refer to an elevated and decreased platelet count respectively.


RODY.ELKHALIL

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

bdobbins

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Reply 3 on: Yesterday
Excellent

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