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Study Guide

Chapter 11, 12,13

What does blood hematocrit messure Percent of Red Blood Cells
What elements in hemoglobin molecule? Hem portion can't be recycled a waste product converted to bilirubin by macrophages,liver removes bilirubin from circulation and excretes into bile to the duodenum pass through the small intestine and colon, bilirubin is elminated in feces.
Universal Donor Blood Type O Negative
Universal Recepient Blood Type AB Positive
What components found in blood- formed elements Where are they produced? 38-48% Formed Elements -RBC,WBC,Platelets 52-68% Plasma- which is liquid 91% water- In the Red Bone marrow
Shape of RBC's? Nucleus? Life Span? Biconcave disc - None - 120 days
Clot in intact vessel-stationary Thrombus
Clot or other tissue transported elsewhere that lodges and obstructs a vessel- moving Embolus
Liquid part of blood 91% water Plasma
Most abundant protein in Plasma. Helps draw fluid to Blood Vessels for pressure and volume Albumin
Clumping of blood cells or microorganisms, the result of an antigen-antibody reaction Agglutination
A antigen B antibody Type A
B antigen A antibody Type B
AB antigen no antibody Type AB
O antigen A and B antibody Type O
Type A recipient Preferred A Permissible O
Type B recipient Preferred B Permissible O
Type AB recipient Preferred AB Permissible A,B,O
Type O recipient Preferred O Permissible No alternate type
Large vessels constrict when damaged,The myogenic response, Platelets release serotonin which causes vasoconstriction. The brake is made smaller, and may be closed with a blood clot. Vascular Spasm
Carry oxygen RBC's
Provide immunity and destroys pathogens WBC's
Prevent blood loss and participates in clotting Platelets
General function of the Blood Transportation,Regulation,and Protection
Three layers that enclose heart Pericardial membranes
Outer layer, a loose fitting sac Fibrous Pericardium
Inner layer, Serous membrane lines the Fibrous Pericardium Parietal Pericardium
Serous membrane on the surface of the myocardium Visceral Pericardium (Epicardium)
Chambers of the heart Right and Left Atria- upper chambers Right and Left Ventricle-lower chambers
Which valve is between the right atrium and ventricle Tricuspid Valve
Which valve is between the left atrium and ventricle Bicuspid Valve
Blood Flow through the heart S/I Vena Cava-R.Atrium-Tricuspid-R.Ventricle-Pulm.Trunk-Pulm.Artery-Lung-Pulm.Vein-L.Atrium-Bicuspid-L.Ventricle-Aortic Valve- Aorta
Walls of the Ventricles that are thick and thin Left Ventricles Thick and Right Ventricles Thin
What are the functions of the heart valves Prevent back flow of blood
Systole contraction
Distole relax
Sound closer of A.V Valve during ventricular systole First sound of Hear(LUB)
Sound closer of Aortic-Pulmonary semilunar Valves Second sound of Heart (DUB)
Extra sound from improper closing of the valve Heart Murmur
Genetic disorder of abnormal Hemoglobin which causes RBC's to sickle clog capillaries and rupture. Sickle Cell Anemia Disease
What is the natural Pacemaker of the Heart S.A. Node
Cardiac Conduction Pathway 1 SA Node in the wall of right Atrium 2 AV Node-lower in the interatrial septum 3 AV Bundle,or bundle of His-is in upper interventricular septum 4 Right and left Bundle Branches 5 Purkinje Fibers
ECG: P wave, QRS, T wave Electrocardiogram Depolarization of Atria Depolarization of Ventricles Repolarization of Ventricles
A rate less than 60 (except athletes) Bradycardia
A consistent rate greater than 100 beats per min. Tachycardia
Where are cardiac centers that regulate the heart In the Medulla. Centers are Accelerator and Inhibitory
What hormone stimulates increased heart rate Epinephrine
Sympathetic system Increase heart rate
Parasympathetic system Decreases heart rate
Lining is not folded into veins Middle layer is thick vessels important in maintenance of blood pressure Outer layer is thick to prevent rupture by High blood pressure in vessels Arteries
Outer layer thin,since blood pressure is low Lining is folded into valves to prevent backflow of blood Middle layer is thin,since the vessels are not as important in maintenance of blood pressure Veins
Why are the outer and middle layers of an arteries thick outer layer- to prevent rupture by high blood pressure middle layer- to maintenance of blood pressure
Carry blood from the Heart to capillaries Arteries
Carry blood from heart to capillaries Veins
Carry blood from the arterioles to venules Capillaries
What happens in the capillaries One cell thick, exchanges gases. blood flows slow
Pathway of circulation that goes to the liver for detoxification. Hepatic Portal Circulation
What is an anastomoses Connection between vessels of the same type.
Three pathways of circulation Pulmonary,Systemic,Hepatic portal
Where does the pulmonary begin Right Ventricle of Heart
Where does the systemic begin Left Ventricle of Heart
Name factors that contribute to maintenance of blood pressure- name at least four Venous Return, Heart Rate & Force,Peripheral Resistance,Elasticity of Large Arteries, Viscosity of the Blood, Loss of Blood,Hormones
Created by: Alechia1



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