capillary puncture {Ans: technique used when only a small amount of blood is needed as a specimen for a blood test}hemoconcentration {Ans: A decrease in the fluid content of the blood (plasma), resulting in an increase concentration. This is determined by an increase in the hematocrit. Caused by a filtration of plasma into the body tissue and often created by dehydration}fasting {Ans: going without food for a period of time}laboratory directory {Ans: reference for the proper collection and handling of specimens for transport to outside laboratory}glucose tolerance test (GTT) {Ans: screening test in which a dose of glucose is administered and blood samples are taken afterward at regular intervals to determine how quickly glucose is cleared from the blood}aliquot {Ans: A portion of a well-mixed sample removed for testing}lumen {Ans: space within a tubular part or organ, such as the space within a blood vessel}micro-collection devices {Ans: Small plastic tubes designed to collect capillary blood.}clotted blood {Ans: is obtained from a tube to which does not contain an anticoagulant. a tube without an anticoagulant causes the blood cells to clot}plasma {Ans: liquid portion of blood}antecubital {Ans: space in front