Oncology Certified Nurse (OCN) Nursing Practice Test 2026 - Free OCN Practice Questions and Study Guide

Disseminated intravascular coagulation (DIC) is a complex condition characterized by the widespread activation of the coagulation cascade, leading to the formation of small blood clots throughout the body's blood vessels. This pathological process ultimately results in a consumption of clotting factors and platelets, often resulting in bleeding and organ dysfunction.

Visual changes are not typically associated with DIC as a direct symptom. While patients with DIC can experience a variety of systemic issues due to the effects on multiple organs, visual disturbances are not a primary manifestation of the condition.

On the other hand, mottled extremities often indicate impaired circulation due to microvascular occlusions caused by the small clots developing in the blood vessels. Bleeding from three unrelated sites demonstrates the coagulopathy that characterizes DIC, as the depletion of clotting factors leads to spontaneous bleeding. Shortness of breath can occur due to pulmonary embolism or acute respiratory distress, which can arise from clotting issues associated with DIC. Each of these symptoms reflects the underlying pathophysiological processes tied to DIC, reinforcing why they are recognized signs of the condition.