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BLOOD AND LYMPH COOLEY'S SECTION
Terms in this set (25)
What is Acute Lymphangitis
a bacterial infection in the lymphatic vessels which is characterized by painful, red streaks below the skin surface. This is a potentially serious infection which can rapidly spread to the bloodstream and be fatal.
What is Epstein Barr virus (mononucleosis)
Infection with the Epstein-Barr virus (EBV, human herpesvirus 4, HHV-4) in which there is an increase of white blood cells that have a single nucleus (monocytes).
What is Hodgkin disease
Hodgkin disease (Hodgkin lymphoma) is a type of lymphoma, a cancer that starts in white blood cells called lymphocytes.
What is Lymphedema
known as lymphatic obstruction, is a condition of localized fluid retention and tissue swelling caused by a compromised lymphatic system. The lymphatic system returns the interstitial fluid to the thoracic duct and then to the bloodstream, where it is recirculated back to the tissues. Tissues with lymphedema are at risk of infection
What is Non-hodgkin lymphoma
a diverse group of blood cancers that include any kind of lymphoma except Hodgkin's lymphomas.
What is Whole Blood
a term used in transfusion medicine for human blood from a standard blood donation. The blood is typically combined with an anticoagulant during the collection process, but is generally otherwise unprocessed. In the US, the capitalized "Whole Blood" means a specific standardized product for transfusion or further processing, where "whole blood" is any unmodified collected blood.
What is Hemopoiesis
haemopoiesis or hemopoiesis) is the formation of blood cellular components.
What is Blood Plasma
the straw-colored/pale-yellow liquid component of blood that normally holds the blood cells in whole blood in suspension. It makes up about 55% of total blood volume. It is the intravascular fluid part of extracellular fluid (all body fluid outside of cells).
What is Hematocrit
The hematocrit (Ht or HCT) or packed cell volume (PCV) or erythrocyte volume fraction (EVF) is the volume percentage (%) of red blood cells in blood. It is normally about 45% for men and 40% for women
What are Leukocytes
leukocytes (also spelled "leucocytes"; from the Greek word leuko- meaning "white"), are cells of the immune system involved in defending the body against both infectious disease and foreign materials.
What is Hemostasis
Hemostasis or haemostasis (from the Ancient Greek: αἱμόστασις haimóstasis "styptic (drug)") is a process which causes bleeding to stop, meaning to keep blood within a damaged blood vessel (the opposite of hemostasis is hemorrhage). It is the first stage of wound healing.
What is a Vascular Spasm
a condition in which a blood vessels spasm leads to vasoconstriction. This can lead to tissue ischemia and death (necrosis).
What is Thrombosis
the formation of a blood clot (thrombus; Greek: θρόμβος) inside a blood vessel, obstructing the flow of blood through the circulatory system.
What is an ABO blood group
the most important blood type system (or blood group system) in human blood transfusion. The associated anti-A antibodies and anti-B antibodies are usually IgM antibodies, which are usually produced in the first years of life by sensitization to environmental substances such as food, bacteria, and viruses.
What is an Rh blood group
The Rh (Rhesus) blood group system (including the Rh factor) is one of thirty current human blood group systems. Clinically, it is the most important blood group system after ABO.Besides its role in blood transfusion, the Rh blood group system—specifically, the D antigen—is used to determine the risk of hemolytic disease of the newborn (or erythroblastosis fetalis) as prevention is key.
What is Lymph
fluid that circulates throughout the lymphatic system. The lymph is formed when the interstitial fluid (the fluid which lies in the interstices of all body tissues) is collected through lymph capillaries.
What is a T cell
a group of white blood cells known as lymphocytes, and play a central role in cell-mediated immunity. They can be distinguished from other lymphocytes, such as B cells and natural killer cells (NK cells), by the presence of a T cell receptor (TCR) on the cell surface.
What is a B cell
B-cells belong to a group of white blood cells known as lymphocytes, making them a vital part of the immune system -- specifically the humoral immunity branch of the adaptive immune system. B-cells can be distinguished from other lymphocytes, such as T cells and natural killer cells (NK cells), by the presence of a protein on the B-cell's outer surface known as a B-cell receptor (BCR).
What is an antigen
an antigen is a substance that evokes the production of one or more antibodies
What is an Antibody
An antibody (Ab), also known as an immunoglobulin (Ig), is a large Y-shaped protein produced by B-cells that is used by the immune system to identify and neutralize foreign objects such as bacteria and viruses.
What are the normal lab findings for Hemoglobin
14 g/dL (normal 14 - 18)
What are the normal lab findings for WBC's
11,000/uL (normal 4500 - 11,000)
What are the normal lab findings for platelets
20,000/uL (normal 150,000 - 400,000)
What are the normal lab findings for PT
22 seconds (normal 10 - 15)
What the normal lab findings for PTT
58 seconds (normal 25 - 38)
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