Blood is a necessary component of the majority of living organisms (all vertebrates and some invertebrates); it carries vital nutrients‚ oxygen and proteins to body tissues and carries away waste products. Blood‚ although most commonly red‚ can also be found in such colours as green‚ blue‚ clear‚ pink and violet. However‚ the common misconception surrounding the idea that human blood is blue before oxygenation is false. All human blood is varying shades of red; these wild alternate colours are
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hematemesis. The patient stated that for the past few days he had had anorexia and epigastric pain‚ which was worse if he tried to eat. An NG tube was placed and drained a small amount of bright red blood‚ as well as some coffee-ground material. Hemoccult test showed dark‚ tarry stool and positive for occult blood. 1. Where do you suspect the patient is bleeding from? 2. What are some of the possible conditions that could be causing the bleeding? 3. What tests would you order to make a more specific
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heart is an organ that acts as a ‘’pump’’ because it pumps blood continuously that is rich in a high concentration of oxygen throughout the organs of the human body such as the brain. Blood is carried through tube like structures called blood vessels such as the artery and the vein. The arteries carry blood from the heart at high pressure which contains a high concentration of oxygen and nutrients to supply the organs. Veins carry blood at low pressure to the heart which contains a high concentration
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When a baby is developing maternal blood supplies the oxygen‚ blood‚ and nutrients to the fetus and takes away the waste. The exchange of maternal blood and fetal blood to the fetus happens through the placental membrane and the umbilical cord vessels. The umbilical vein goes into the body through the umbilical ring‚ and half of the blood running though it goes to the liver and the rest goes to the ductus venous. It joins with the inferior vena cava. Blood goes to the fetal right atrium from the
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Blood Pressure Anatomy And Physiology Breven Sellers 11/3/2014 Arteries • Arteries are thick walled‚ yet they are elastic enough to stand pressure from the heart pumping at a fast rate. The arteries job is to transport blood away from the heart‚ usually only transporting highly oxygenated blood‚ having just left the lungs and on its way to the body’s tissues Arterioles • There are smaller branches of the arteries called arterioles‚ they connect to the capillaries. • Arterioles are the main
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1.6 Blood Pressure Blood pressure is the main factor in sustaining blood flow through tissues. The force applied to the arterial walls as the heart pumps blood throughout the circulatory system defines the physiological meaning of blood pressure (Bojanov‚ 2009). Blood pressure is determined by the force‚ heartbeat rate‚ and resistance to blood flow through vessels. Cyclic changes in arterial blood pressure are partially attributed to the rhythmic contractions in the left ventricle (Iaizzo‚ 2009)
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Blood spatter is the way blood is splashed on a surface of any kind. You may think this is a new technique but blood spatter analysis has been around since 1895 when Edward Piotrowski from the University of Krakow wrote a document on the direction of blood spatter. It has been around for years and helps criminal investigators on brutal crime cases. Now the general blood spatter ways are the Single Drop‚ Transfer Bloodstains‚ Impact Spatter
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Russell-Bennett‚ R.‚ Hartel‚ C.E.J.‚ Previte‚ J.‚ Russell‚ K. (2012) "It’s all about me! Emotional-Ambivalence Gen-Y Blood Donors‚ In conference proceedings of American Marketing Association Services Special Interest Group‚ Helsinki Finland‚ June 7-9 Purpose While the Australian-Red-Cross-Blood-Service has been effective at acquiring new youth donors‚ in recent years the retention rate has declined. One reason suggested for the lack of loyalty is the emotional ambivalence created by the motivational
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BLOOD DONATION CAMP The Blood Donation Camp was hosted by St. John’s Medical Hospital on 18th December‚ 2012. 5 Doctors and 15 nurses had come to college and set up their hospital requirements in the Auditorium. The donation camp began at 10.30 am when various students had come forward to donate blood. Unfortunately for some‚ due to reasons like low blood count‚ blood pressure‚ recovery from various diseases‚ etc. they could not do so. Candidates who were not able to donate blood surely went disappointed
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Julianna Triano Block 4 November 19‚ 2010 Blood Donation Imagine a happy healthy teen. He does well in school and is easy to get along with. Imagine he is diagnosed with leukemia and requires daily platelet and blood transfusions just to stay alive. Now‚ imagine he has a rare blood type that requires him to be moved to a larger hospital for treatment. This is just another thing for him and his family to worry about. Similar stories happen every day in the United States. It is estimated that
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