Question

Activated partial thromboplastin time (PTT or aPTT) is used for ________.

A) Measures the time it takes for platelets to form a clot
B) Evaluates the extrinsic pathway of coagulation
C) Assesses the intrinsic pathway of coagulation
D) Determines the viscosity of blood plasma

Answer 1

The activated partial thromboplastin time (PTT or aPTT) is used to assess the intrinsic pathway of coagulation.

Step-by-step explanation:

The activated partial thromboplastin time (PTT or aPTT) is used to assess the intrinsic pathway of coagulation.