Anatomy - - Circulation of the Blood
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| Arteries | Distribute blood through the body
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| Tunica Externa | Outer layer of veins and arteries made of connective fibers so they do not burst under pressure
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| Tunica Media | Smooth inner layer of veins and arteries
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| Tunica Intima | Most inner layer of veins and arteries made of a single layer of squamous epithelia cells
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| Endothelium | Squamous Epithelia cells in the tunica intima
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| Precapillary spincters | Guard entrances to the capillaries and determine how much blood will flow into each capillary bed.
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| Arteries and Arterioles | Distribute blood from the heart to capillaries
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| Venules and veins | Collect blood from capillaries and return it to the heart
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| Arteriosclerosis | Hardening of the arteries restricting the flow of blood through them.
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| Ischemia | Is the result of the flow of blood slowing down too much.
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| Necrosis | Tissue death
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| Gangrene | Necrotic tissue that has decayed
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| Atherosclerosis | Blockage of arteries by lipids and other matter (plaque)
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| Cerebrovasular Accident (CVA) | Brain aneurysm or stroke
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| Varicose veins | Are caused by blood pooling in the vein rather than continuing to the heart.
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| Hemorrhoids (piles) | Are varicose veins of the rectum.
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| Phlebitis | Vein inflammation
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| Thrombophlebitis | Acute phlebitis caused by clot formation.
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| Hepatic Portal Circulation | Route of blood flow through the liver.
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| Spleen, stomach, pancreas, gallbladder, and intestines | All blood flows into the liver from these organs and is filtered.
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| Two small umbilical arteries and a single umbilical vein | Make up the umbilical cord
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| Umbilical vein | Carries oxygenated blood tp the fetus
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| Umbilical Artery | Carries oxygen poor blood from the fetus
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| Dectus Venosus | Allows blood returning from the placenta to bypass the immature liver of the fetus and empty into the inferior vena cava
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| Foramen Ovale | Shunts blood from the right atrium directly into the left atrium
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| So-called hole in the heart is caused from? | The ductus arteriosus not closing properly upon the birth of the fetus.
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| The Ductus Arteriousus | Connects the aorta and the pulmonary artery in a fetus.
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| Blood pressure | Is the "push" of blood as it flows through the circulatory system.
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| Blood Pressure Gradient | The difference between any two blood pressures.
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| Blood volume,strength of heart contractions, heart rate, blood viscosity all do what? | Affect blood pressure.
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| Polycythemia | is caused when red blood cells increase beyond normal. Which in turn increases blood pressure and blood viscosity.
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| Peripheral resistance | Describes any force that acts against the flow of blood in a blood vessel.
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| Vasomotor mechanism | Adjustment of muscle tensioin in vessel walls to control blood pressure and thus blood flow.
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| Central venous pressure | Venous blood pressure within the right atrium and influences the pressure that exists in the large peripheral veins.
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| When feeling someones "pulse" you are actually feeling? | An artery expanding and then recoiling
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| Superficial Temporal Artery is located? | Front of the ear on the face.
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| Carotid Artery is located? | In the neck.
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| Axillary artery is located? | In the armpit.
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| Brachial Arter is located? | At the bend of the elbow.
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| Radial Artery is located? | At the wrist.
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| Femoral Artery is located? | In the groin.
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| Popliteal Artery is located? | Behind the knee.
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| Dorsalis Pedis Artery is located | On the front surface of the foot, below the bend of the ankle joint.
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| Hypertension occurs? | When Blood pressure is above 140/90.
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| Circulatory shock is? | Failure of the circulatory system to adequately deliver oxygen to the tissues.
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| Cardiogenic Shock is? | The heart can no longer pump blood effectively, blood flow to the tissues decreases or stops.
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| Hypovolemic shock is? | loss of blood in the blood vessels.
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| Anaphylactic Shock is. | Resulting from an acute allergic reaction called anaphylaxis.
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| Septic shock is? | Resulting from complication of septicemia, a condiction in which infectious agents release toxins into the blood.
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Created by:
stainedglassmiss
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