flashcards jesse made

the process of clumping together to form a mass, such as occurs with red blood cells during a transfusion

agglutination

classification of WBC’s; contains few or no cytoplasmic granules and the nucleus lacks lobes

argranulocytes

a protein found in blood plasma

albumin

A deficiency of red blood cells or hemoglobin

anemia

a protein carried on the surface of each red blood cell

antigen

the fewest of WBC’s secretes heparin

basophils

blood clotting

coagulation

WBC’s that protect against parasites; also involved in allergic reactions

eosinophils

red blood cells

erythrocytes

process of producing new erythrocytes

erythropoiesis

hormone secreted by the kidneys that stimulates the production of erythrocytes

erythropoietin

insoluble protein fibers involved in forming a blood clot

fibrin

process of dissolution of a blood clot

fibrinolysis

classification of WBC’s; contains granules in the cytoplasm and has a single multilobular nucleus

granulocytes

the percentage of RBC’s in a sample of blood

hematocrit

the study of blood

hematology

iron-containing pigment of RBC’s that carries oxygen

hemoglobin

the destruction of RBC’s

hemolysis

the production of blood

hemopoiesis

a yellowish hue in the skin an sclera a resulting from the build up of a bilirubin in tissues

jaundice

cancer of the blood or bone marrow

leukemia

white blood cells

leukocytes

elevated WBC count

leukocytosis

abnormally low WBC count

leukopenia

second most numerous of the WBC’s; responsible for long-term immunity

lymphocytes

largest and most long-lived of the WBC’s; highly phagocytic

monocytes

most abundant of the WBC’s; highly mobile

neutrophils

combination of four molecules of oxygen with one hemoglobin molecule

oxyhemoglobin

the clear extracellular matrix of blood

plasma

blood cell fragment that plays a key role in stopping bleeding

platelets

the state of an excess number of red blood cells

polycythemia

an immature form of an erythrocyte

reticulocyte

plasma without the clotting protein

serum

unspecialized bone marrow cell that give rise to immature red blood cells, white blood cells, and platelet-producing cells

stem cells

the thickness or stickiness of blood

viscosity

what is heme broken down into?

iron and bilirubin

immature form of a red blood cell

reticulocyte

charged with delivering oxygen and removing carbon dioxide

erythrocyte

most abundant of the WBC’s

neutrophils

involved in allergic reactions

eosinophils

produces fragments that form platelets

megakaryocytes

responsible for long-term immunity

lymphocyte

classification of WBC that includes lymphocytes and monocytes

agranulocytes

secretes heparin, which prevents clotting

basophil

phagocytic cell that migrates into tissues

monocytes

which component of blood plasma plays a role in blood clotting and the regulation of fluid volume?

proteins

the two types of hematopoietic tissue found in the body are located in _____.

red bone marrow and lymphatic tissue

an immature erythrocyte is called a ____.

reticulocyte

in an adult, where can red bone marrow be found?

ends of long bones and flat irregular bones

a diet rich in which mineral is crucial for hemoglobin sythesis?

iron

the stimulus for the production of new red blood cells is _____.

declining oxygen levels

what is erythropoietin (EPO) and how is it secreted?

it is secreted by the kidneys in response to low oxygen levels

a patient’s laboratory report shows an increased number of reticulocytes. What is a possible cause for this finding?

a move to higher altitude

what is the normal lifespan of a red blood cell?

120 days

during hemoglobin recycling, heme is initially broken down into _____.

iron and bilirubin