Pathology Bleeding Disorders ceb3213f

In PT test, the addition of Ca2+ & tissue thromboplastin activates which pathway?

Extrinsic

Intrinsic

Fibrinolytic

Common

High-Yield Explanation

Ans. (a) ExtrinsicTo PT we add of Ca2+ & tissue thromboplastin which activates extrinsic pathway, while to test for aPTT we add kaolin, silica which activates intrinsic pathway.

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In PT test, the addition of Ca2+ & tissue thromboplastin activates which pathway?

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