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Author Question: Select the best course of action to remedy blood films that typically are too thick from newborns. ... (Read 14 times)

Jramos095

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on: Jun 25, 2018
Select the best course of action to remedy blood films that typically are too thick from newborns.
 
  a. Increase the spreader slide angle.
  b. Use a larger drop.
  c. Dilute the blood with saline.
  d. Decrease the spreader slide angle.

Question 2

How can the correct platelet count on a patient be determined when his or her platelets repeatedly clump in an EDTA specimen?
 
  a. Re-collect in sodium citrate tube (blue top) and multiply by 0.5.
  b. Re-collect in sodium citrate tube (blue top) and multiply count by 1.1.
  c. Report the estimated number from the blood film.
  d. Re-collect in an EDTA tube.


ultraflyy23

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

ANS: D
Decreasing the angle of the spreader slide will make the blood film thinner, as well as longer.

Answer to Question 2

ANS: B
When platelet clumping repeatedly occurs in an EDTA blood, the blood should be drawn in a sodium citrate tube. The dilution of blood by the anticoagulant is 9:10 (9 parts blood to 1 part anticoagulant). The platelet count obtained on this tube must therefore be multiplied by the reciprocal of the dilution (10/9) = 1.1.


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