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Bonewit chapter 17
Phlebotomy
Question | Answer |
---|---|
Antecubital space | the surface of the arm in front of the elbow. |
Anticoagulant | a substance that inhibits blood from clotting. |
Buffy coat | a thin, light-colored layer fo white blood cells and platelets that lies between a top layer of plasma and a bottom layer of red blood cells when an anticoagulant has been added to a blood specimen. |
Evacuated tube | a closed glass or plastic tube that contains a premeasured vacuum. |
Hematoma | a swelling or mass of coagulated blood caused by a break in a blood vessel. |
Hemoconcentration | an increase in the concentration of the nonfiltrated blood components in the blood vessels, such as red blood cells, enzymes, iron, and calcium, as a result of a decrease in the fluid content of the blood. |
Hemolysis | the breakdown of blood. |
Osteochondritis | inflammation of bone and cartilage. |
Osteomyelitis | inflammation of the bone as a result of bacterial infection. |
Phlebotomist | a health care professional trained in the collection of blood specimens. |
Phlebotomy | incision of a vein for the removal of blood; the collection of blood. |
Plasma | tha liquid part fo the blood consisting of a clear, straw-colored fluid that comprises approximately 55% of the blood volume. |
Serum | Plasma from which the clotting factor fibrinogen has been removed. |
Venipuncture | puncturing of a vein. |
Vernous reflex | the backflow of blood (from an evacuated tube) into the patient's vein. |
Venous stasis | the temporary cessation or slowing of the venous blood flow. |