Chapter 19, Problem 28RQ

Summary Introduction

To determine:

The factor that would be deficient in a person with prolonged prothrombin time and a normal partial thromboplastin time.

Introduction:

The clotting of the blood employs three pathways namely the intrinsic pathway, the extrinsic pathway and the common pathway. The extrinsic pathway is the first reacting pathway when a wound is created followed by the intrinsic and common pathway.