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Author Question: Which of the following procedures is safe from the production of an aerosol mist? a. Removing ... (Read 29 times)

urbanoutfitters

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on: Jun 25, 2018
Which of the following procedures is safe from the production of an aerosol mist?
 
  a. Removing caps from specimen tubes
  b. Manual differentials on blood films
  c. Filling hemocytometers
  d. Centrifuging uncapped specimens

Question 2

Which of the following can be evaluated only through the microscopic examination of a stained blood film?
 
  a. White blood cell (WBC) count
  b. Reticulocyte count
  c. Hemoglobin concentration
  d. Presence or absence of blood cell inclusions


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mk6555

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

ANS: B
Manual differentials are performed on a dried film of blood that is fixed and then stained, thus rendering any infectious agents nonviable. All other procedures mentioned have the risk of creating an aerosol that may contain viable infectious agents.

Answer to Question 2

ANS: D
Making and staining a blood film and then placing it under a microscope allow the clinical laboratory scientist to evaluate the morphology of blood cells and examine them for the presence or absence of blood cell inclusions. These inclusions are important for cell identification and, when abnormal inclusions are present, sometimes provide clues as to the cause of disease. All the other parameters mentioned are or can be performed using an automated hematology instrument, including reticulocyte counting.


urbanoutfitters

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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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