Blood Vocab

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Defending the body against bacterial infection and invasion by foreign substances is a function of

White blood cells

Infections generally result in an increase in the number of

White blood cells

Lymphocytes

White blood cells which produce antibodies

Serotonin

As a platelet plug forms, platelets release this vasoconstricting substance

Mature red blood cells do not have a

Nucleus

Newborns are sometimes exposed to fluorescent light as a treatment for this

Physiologic jaundice

Antibodies

React with antigens and inactivates them

The biconcave cells in blood that lack nuclei when they are mature are

Red blood cells

In an adult, red blood cells are produced primarily in the

Red bone marrow

Lymphatic System

Returns tissue fluid to the blood

Thrombin

Serves as an enzyme in the blood coagulation mechanism

Fibrin

Strands of protein involved in clotting

Plasma

Liquid part of the blood

The normal blood cell count is between how many cells per cubic centimeter of blood

5,000 to 10,000

Heparin

A blood clot-inhibiting substance released by basophils

Prothrombin test

A blood test used to evaluate extrinsic clotting factor

A primary function of lymphocytes is to

Act against foreign substances

Leukopenia

An abnormally low white blood cell count

The smallest percentage of of leukocytes is

Basophils

An abnormality involving the platelets would probably affect the process of

Blood clotting

Erythroblastosis

Can be preventing Rh negative mothers with anti-Rh aggulutinin

Leukemia

Cancer of the bone marrow

Platelets

Cell fragments involved in clotting

Anemia

Condition in which the blood cannot carry sufficient oxygen

This condition is caused by an increased blood concentration of carbon dioxide and results in skin becoming what color

Cyanosis, blue

Platelets are best defined as

Cytoplasmic fragments of cells

The basic event in the formation of a blood clot is the change of

Fibrinogen to fibrin

Antigens

Foreign molecules in the body

Sickle-cell anemia is caused by an abnormal form of this

Hemoglobin

The iron-containing molecule in red blood cells is called

Hemoglobin

This is the element included in hemoglobin molecules

Iron

Hemoglobin

Iron-containing molecule in red blood cells

Erythropoietin

The hormone released from the kidneys that promotes the production of red blood cells

Neutrophil

The most common type of leukocyte in a blood sample

Hemostasis

The term used to describe the stoppage of bleeding by any one of several means

Differential white blood cell count

The test in which the percentages of various types of leukocytes in a blood sample is determined

Red blood cells

Transport oxygen from the lungs to the cells


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