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Author Question: Using which principle does plasma become more opaque as a clot forms and the amount of light being ... (Read 195 times)

ahriuashd

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on: Jun 25, 2018
Using which principle does plasma become more opaque as a clot forms and the amount of light being detected decreases?
 
  a. Photo-optical
  b. Mechanical
  c. Chromogenic
  d. Immunologic

Question 2

Diagnostica Stago coagulation instruments are based on what clot detection principle?
 
  a. Photo-optical
  b. Mechanical
  c. Chromogenic
  d. Nephelometric


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rosiehomeworddo

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

ANS: A
A light source of specified wavelength is made to pass through plasma; some light normally gets through to the detector. As a fibrin clot forms, the amount of light detected decreases. When light decreases to a predetermined deflection from the baseline, the timer stops, indicating clot formation.

Answer to Question 2

ANS: B
Diagnostica Stago coagulation instruments use a mechanical end-point clot detection principle. These instruments magnetically monitor the movement of a steel ball within plasma. As the clot forms, the sensor detects the slowing of the ball.


ahriuashd

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Reply #2 on: Jun 25, 2018
Thank you :)


rosiehomeworddo

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Reply #3 on: Jun 25, 2018
Happy to help you


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