Emergency Medical Technician (EMT) Trauma Practice Test

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Damaged small blood vessels beneath the skin following blunt trauma causes:

cyanosis
ecchymosis
hematoma
mottling

The correct answer is: cyanosis

Damaged small blood vessels beneath the skin following blunt trauma cause ecchymosis. Ecchymosis is characterized by the discoloration of the skin resulting from the escape of blood into the tissues from broken blood vessels. This typically presents as bruising or a purplish discoloration of the skin. Cyanosis refers to a bluish discoloration of the skin and mucous membranes due to inadequate oxygen levels in the blood. Hematoma is a collection of blood outside of blood vessels, usually within tissues. Mottling refers to a lace-like pattern of skin discoloration that can indicate poor circulation or shock.