Which laboratory test should the nurse anticipate when providing care to a patient with a clotting disorder caused by the intrinsic pathway?

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Partial thromboplastin time (PTT) is a laboratory test that measures the time it takes for a clot to form in the intrinsic pathway of the coagulation system. This test is used to diagnose clotting disorders caused by deficiencies in factors in the intrinsic pathway. A prolonged PTT can indicate a clotting disorder caused by the intrinsic pathway.

Which Laboratory Test Should the Nurse Anticipate When Providing Care