Chapter 13 Clinical Procedures

Question 1

antiglobulin (coombs) test

Answer 1

test for the presence of antibodies that coat and damage erythrocytes

Question 2

bleeding time

Answer 2

time required for blood to stop flowing from a tiny puncture wound

Question 3

coagulation time

Answer 3

time required for venous blood to clot in a test tube

Question 4

complete blood count (CBC)

Answer 4

determination of numbers of blood cells, hemoglobin concentration, hematocrit, and red cell values

Question 5

erythrocyte sedimentation rate (ESR)

Answer 5

speed at which erythrocytes settle out of plasma

Question 6

hematocrit (Hct)

Answer 6

percentage of erythrocytes in a volume of blood

Question 7

hemoglobin test

Answer 7

total amount of hemoglobin in a sample of peripheral blood

Question 8

platelet count

Answer 8

number of platelets per cubic millimeter of blood

Question 9

prothrombin time (PT)

Answer 9

test of the ability of blood to clot

Question 10

red blood cell morphology

Answer 10

microscopic examination of a stained blood smear to determine the shape of individual red cells

Question 11

white blood cell differential

Answer 11

percentages of different types of leukocytes in the blood

Question 12

apheresis

Answer 12

separation of blood into component parts and removal of a select portion from the blood

Question 13

blood transfusion

Answer 13

whole blood or cells are taken from a donor and infused into a patient

Question 14

bone marrow biopsy

Answer 14

microscopic examination of a core of bone marrow removed with a needle

Question 15

hematopoietic step cell transplantation

Answer 15

peripheral stem cells from a compatible donor are administered to a recipient