CR WK 3/4

Plasma

The liquid part of blood that carries everything around.

Serum

Plasma without clotting proteins.

Erythrocyte

A red blood cell that carries oxygen.

Leukocyte

A white blood cell that fights infection.

Thrombocyte

A platelet that helps blood clot.

Hemoglobin

A protein in red blood cells that carries oxygen.

Buffy coat

The thin blood layer containing white blood cells and platelets.

Whole blood

Blood with all its components still together.

Fibrinogen

A protein that helps form blood clots.

Hematopoiesis

The process of making new blood cells.

Reticulocyte

An immature red blood cell.

Granulocyte

A white blood cell with visible granules inside.

Agranulocyte

A white blood cell without visible granules.

Plasma proteins

Proteins in plasma that help with transport, immunity, and clotting.

Albumin

A plasma protein that keeps fluid in the blood.

Globulin

A plasma protein involved in immunity and transport.

Megakaryocyte

A huge bone marrow cell that makes platelets.

Oxyhemoglobin

Hemoglobin carrying oxygen.

Deoxyhemoglobin

Hemoglobin without oxygen.

Blood volumetrics

The measurement of blood volume and its components.

Anticoagulant

A substance that prevents blood from clotting

EDTA

Prevents clotting by binding calcium

Sodium Citrate

Additive that binds calcium

Heparin

Prevents clotting by inhibiting thrombin formation

Sodium Flouride

Preserves glucose levels in blood

Thixotropic Gel

A gel barrier that separates cells from serum or plasma during configuration

Clot Activator

Speeds up clotting process

Glycolytic Inhibitor

Prevents the breakdown of glucose by blood cells

Order of Draw

Sequence in which tube must be filled to prevent additive cross-contamination

Carryover

Contamination from tube to tube during needle collection

Lithium Heparin

Used in general chemistry testing

Potassium Oxalate

Removes calcium in the blood

SPS

Used in blood collection to prevent clotting and inhibit complement

Acid Citrate Dextrose

Preserves blood cells and viability

Silica Particles

Microscopic glass particles coated on tube walls that act as clot activators

Plasma Separator Tube

Tube containing heparin and gel separator to yield plasma

Serum Separator Tube

Tube containing clot activator and gel separator to yield serum

Trace Element Free Tube

Used to test lead or trace meteals

Microgard/Microtainer Closure

A safety cap on collection tubes

Inversion

Turning tube down and up to mix blood with additives