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Lesson 6

Circulatory System

Circulatory Sytem consist of the cardiovascular sytem (heart and blood vessels) and the lymphatic system (conveyance of the fluid lymph)
Extracellular fluid fluid outside body cells
Plasma the fluid portion of the blood in which corpuscles are suspended
Intercellular fluid that fills spaces between cells outside of the blood vessels
Interstitial fluid that fills spaces between cells outside of the blood vessels
Tissue Fluid fluid that fills spaces between cells outside of the blood vessels
Intracellular fluid fluid located inside the cells
Pericardium the sac that is made up of a double membrane which encloses the heart
Peritcarditis inflammation of the pericardium.
Endocardium forms the lining inside of the heart
Endocarditis often caused by infective organisms that invade the endocardium
Myocardium heart muscle itself
Myocarditis inflammation of the heart muscle
Cardiomyopathy general dyognostic term that designates primary heart disease
Coronay arteries blood vessels that supply oxygen to the heart
Coronary heart disease heart damage resulting from insufficient oxygen of the heart muscle; this condition is caused by pathologic changes in the coronary arteries
Hypertension elevated blood pressure
Hypotension low blood pressure
Angina pectoris severe pain and constriction about the heart caused by an insufficient supply of blood to the heart
Arrhythmia irregularity or loss of rhythm of the heart beat
Cardiomegaly enlarged size of the heart
Congenital heart defects abnormalities present in the heart at birth
Fibrillation a severe cardiay arrhythmia in which contractions are too rapid and to uncoordinated for effective blood circulation
Defribillator an electronic apparatus that delivers a shock to the heart to restore a proper rhythm
Heart failure cessation of the heartbeat; a clinical condition resulting from failure of the heart to pump the blood effectively and to maintain adequate circulation of the blood
Congestive heart failure a condition characterized by weakness, breathlessness and edema in the lower portions of the body
Heart murmur a soft blowing or rasping sound that may be heard when listening to the heart
Hyperlipemia excessive blood in heart
Infarction formation of a localized area of tissue that under goes necrosis (death of tissue) following lack of blood supply to that area.
Myocardial infarction death of an area of the heart muscle that occurs as a result of oxygen deprivation
Myocardial ischemia defeciency of blood supply to the myocardium
Shock a serious condition in which blood flow to the heart is reduced to such an extent that the body tissues do not receive enough blood
Open heart surgery refers to operative procedures on the heart after it has been exposed through an incision of the chest wall
Cardiopulmonary bypass is the method used to divert blood away from the heart and lungs temporarily while surgery of the heart and major vessels is performed
Pulmonary lungs
Cardiopulmonary heart and lungs
Pacemaker implant artificial pacemaker implanted to keep the heart rhythm within a desirable range in patients who suffer from severe arrhythmia
Cardiac catherterization tha passage of a long flexible tube into the heart chambers through a vein in an arm or a leg or the neck
Endoscopic examination uses an endoscope, a device consiting of a tube and an optical system for observing inside a hollow organ or cavity
Noninvasive procedures do not require entering the body or puncturing the skin
Ultrasound uses sound waves bounced off tissue to produce a record called a sonogram
Echocardiograph is the term generally associated with the use of ultrasonography in diagnosing heart disease
Echocardiogram is the record of the heart obtained by directing ultrasonic waves through the chest wall
Computed tomography produces cross-sectional images of an organ similar to what would be seen if the actual organ were cut in sections
Electrocardiogram is produced by recording the electrical currents of the heart muscle using a device calle an electrocardiograph
Cardiopulmonary resuscitation is recommended as an emergency first aid procedure to re-establish heart and lung action if breathing or heart action has stopped
vascular pertains to blood vessels
vasodilation is an increase in the diameter of the blood vessel
vasodilators drugs that dilate the blood vessels are sometimes used to treat hypertension
angiomas are tumors consisting principally of blood vessels or lymph vessels
aort/o aorta
arteri/o artery
arteriol/o arteriole
Phleb/o vein
ven/o vein
venul/o venule
Blood transfusion the process of transferring blood from a donor into a blood vessel of a recipient
Anticoagulant a substance to prevent blood from clotting
Transfusion reaction adverse effect that occurs after transfusion
Hematology the study of blood and blood forming tissues
Blood forming tissues bone marrow and lymphoid tissue
Hematoma a localized collection of blood, usually clotted, in an organ, tissue or space resulting from a break in the wall of a blood vessel; bruises or contusion are familiar names
Blood coagulation the process of blood clotting when it is removed from the body
Erythrocytes red blood cells
Hemoglobin is a red, iron containing pigment that transports oxygen to the tissues and the waste product carbon dioxide to the lungs, where it is exchanged for fresh oxygen
Anemia is a condition in which the number of red blood cells, concentration of hemoglobin, or both are decreased
Leukocytes white blood cells
Phagocytes cells that can ingest and destroy particulate substances such as bacteria, protozoa, cells, and cell debris
Leukopenia abnormal decrease in the total number of white blood cells
Leukocytopenia abnormal decrease in the total number of white blood cells
Leukocytosis abnormal decrease in the total number of white blood cells
Leukemia is a progressive malignant disease of the blood forming organs
Thrombocytes blood platelets
Thrombocytopenia a reduction below normal in the number of blood platelets
Lymphatics lymphatic system
Primary function of lymphatic system to collect fluid that escapes from the blood capillaries and return it to circulation
Lymphadema swelling that is caused by the obstruction of a lymphatic vessel
Lymph nodes small knots of tissue found at intervals along the course of the lymphatic vessel
Lymphatic carcinoma cancer occuring within the lymphatic sytems
Lymphoma is a general term for cancer originating within the lymphatic system
Lymphangitis is an acute or chronic inflammation of lymphatic vessels and can be caused by various microorganisms
Lymphangiography is roentgenography of the lymphatic vessels and nodes after injection of a radio-opaque substance has made them visible on xray
Lymphangiograms are useful for checking the integrity of the lymphatic system in lymphedema and for investigating tumors
Lymphadenitis inflammation of the lymph nodes
Lymphadenopathy refers to any disease of the lymph nodes
Lymphadenoma lymphoma
Splenomegaly enlarged spleen
Splenectomy excision of the spleen
Tonsils masses of lymphatic tissue located in depressions of the mucous membranes of the pharynx
Tonsillectomy excision of the tonils
Tonsillitis Inflammation of the tonsils
Pharyngeal tonsils commonly called adenoids
Adenoidectomy is often performed at the same time as a tonsillectomy
Andenoid/o adenoids
Ather/o yellow fatty plaque
Ech/o & Son/o sound
-emia blood
hem/a & hem/o blood
extra- outside
home/o sameness
lymph/o lymph or lymphatics
my/o muscle
pulmon/o lungs
radi/o radiant or xray energy
splen/o spleen
thromb/o thrombus, blood clot
ballein to throw
-bolus to throw
Created by: SHOSELYN