A tourniquet is placed on the patient's arm,the vein is located,and the needle is inserted into the arm.No blood flows into the tube,but a dark bulge begins to appear at the puncture site.This describes:

Question

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A hematoma is a collection of blood that forms outside of a blood vessel, usually due to a leak from a damaged vein or artery. In this scenario, the dark bulge at the puncture site suggests that blood is leaking out of the vein and collecting under the skin, resulting in a hematoma. Hemolysis refers to the breakdown of red blood cells, hemodialysis refers to a medical treatment for kidney failure, and hemoconcentration refers to an increase in the concentration of blood cells and proteins in the blood. None of these accurately describe the situation described in the question.

A Tourniquet Is Placed on the Patient's Arm,the Vein Is