Term
| The Cardoiovascular system consists of? |
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Definition
| The Heart, Blood Vessels, & the Blood |
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Term
| The area between the lungs is called? |
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Definition
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Term
| The Heart is also called? |
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Definition
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Term
| The pericardium or pericardial sac is? |
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Definition
| A thick fibronous membrane that surrounds the heart |
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Term
| The visceral layer of the pericardium is also known as? |
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Definition
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Term
| The second layer of the pericardium is called? |
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Definition
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Term
| The visceral layer is separated from the parietal layer by? |
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Definition
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Term
| The normal human heart has how many chambers? |
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Definition
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Term
| The upper chambers of the heart are? |
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Definition
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Term
| The lower chambers of the heart are? |
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Definition
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Term
| This separates the 2 atria |
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Definition
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Term
| This separates the right & left ventricles |
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Definition
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Term
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Definition
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Term
| The ventricles pump blood ______ from the heart |
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Definition
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Term
| Blood enters the right atrium via? |
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Definition
| The superior and inferior Venae Cavae and the Coronary Sinus |
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Term
| Valve that separates right atrium from the right ventricle |
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Definition
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Term
| Valve that separates left atrium from the left ventricle |
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Definition
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Term
| The 2 semilunar valves are? |
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Definition
| The Aortic Valve and the Pulmonic Valve |
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Term
| The Pulmonic valve does what? |
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Definition
| Regulates blood flow from the right ventricle to the pulmonary artery |
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Term
| The Aortic Valve does what? |
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Definition
| Regulates blood flow from the left ventricle to the Aorta |
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Term
| The superior & inferior Vena Cava return deoxygenated blood from ______, to _______ |
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Definition
| The Body, The right atrium |
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Term
| The bodys' largest artery is the? |
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Definition
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Term
| Freshly oxygenated blood is returned to the left atrium through the? |
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Definition
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Term
| Sound caused by the closure of the Mitral & Tricuspid valves |
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Definition
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Term
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Definition
| Closure of the Aortic & Pulmonic Valves |
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Term
| The Cardiac Conduction System consists of how many parts? |
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Definition
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Term
| The 6 parts of the Cardiac conduction system are? |
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Definition
SA Node (sinoatrial) AV Node (atrioventricular) The Bundle of His Right / Left bundle Branches Purkinje Fibers |
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Term
| The ability of cells to respond to electrical impulses |
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Definition
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Term
| The ability of cells to conduct electrical impulses |
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Definition
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Term
| The ability of cells to contract without external nerve stimulus |
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Definition
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Term
| Control of the rate of contraction |
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Definition
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Term
| Control of the rate of electrical conduction |
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Definition
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Term
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Definition
| Control of the strength of contraction |
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Term
| Respond to changes in pressure in the heart or vessels |
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Definition
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Term
| Respond to changes in the chemical composition of the blood |
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Definition
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Term
| The process of electrical discharge and flow of electrical activity |
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Definition
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Term
| The return of cells to a polarized state |
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Definition
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Term
| On the ECG, atrial contraction is represented by the ___ wave |
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Definition
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Term
| The time delay that occurs within the AV node |
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Definition
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Term
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Definition
| Depolarization of the Ventricles |
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Term
| Pressure created within the arteries |
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Definition
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Term
| The relaxation phase of the heart cycle |
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Definition
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Term
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Definition
| BP = CO (cardiac output) X SVR (systemic vascular resistance) |
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Term
Vessels that carry blood AWAY from the heart |
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Definition
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Term
| Vessels that carry blood TO the heart |
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Definition
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Term
| Tunica Intima or Endothelium |
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Definition
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Term
The middle layer of a vessel is? |
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Definition
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Term
| The outer layer of tissue is called the? |
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Definition
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Term
| Characterized by deposits of calcium in the arterial walls |
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Definition
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Term
| Formation of lipids & cholesterol on the inner arterial walls |
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Definition
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Term
| Circulation that carries blood from the right side of the heart to the lungs and back to the left side of the heart |
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Definition
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Term
| The human adult male contains about _____ ml/kg of blood or _____ L |
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Definition
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Term
| Red blood cells are also known as |
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Definition
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Term
| Protein that gives erythrocytes their color |
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Definition
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Term
| A waste product that undergoes metabolism in the Liver |
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Definition
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Term
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Definition
| Substances on the surface of erythrocytes recognized by the immune system |
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Term
| Proteins within plasma that react with antigens |
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Definition
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Term
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Definition
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Term
| _____ destroy bacteria, antigen/antibody complexes and foreign matter |
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Definition
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Term
| Function in the body's allergic response |
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Definition
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Term
| Play a role in both allergic and inflammatory response |
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Definition
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Term
| What does the Spleen do within the circulatory system? |
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Definition
The Spleen helps to weed out old red blood cells.
Red blood cells live from 60 to 90 days. |
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Term
| What is the term that describes "bleeding out"? |
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Definition
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Term
| What are some of the signs and symptoms of hypoperfusion? |
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Definition
| Increase in pulse, drop in blood pressure, pale cyanotic, shortness of breath |
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Term
| What best describes Perfusion? |
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Definition
| supplying nutrients and oxygen to body tissues due to the constant passage of blood through capillaries. |
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Term
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Definition
It states that blood flow through a vessel is directly proportional to the radius of the vessel to the 4th power.
Consequently, the pressue will have to increase to flow the same blood volume through a restricted vessel. |
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