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