NREMT – Trauma Study Guide Exam Containing 100 Questions with Complete Answers and Rationales .

NREMT – Trauma Study Guide Exam Containing 100 Questions with Complete Answers and Rationales . Contains Terms like: Damaged small blood vessels beneath the skin following blunt trauma causes: A: mottling. B: ecchymosis. C: hematoma. D: cyanosis. - Answer: B; Rationale: When small blood vessels beneath the skin are damaged, blood seeps into the soft tissues. This manifests as a bruise, also referred to as ecchymosis. A hematoma develops when larger blood vessels are ruptured and the internal bleeding forms a "lump." Cyanosis is a blue or purple discoloration of the skin and signifies a low content of oxygen in the blood. Mottling occurs when the skin takes on a blotched, purple appearance and is a sign of shock (hypoperfusion).