Phlebotomy Essay Example | Topics and Well Written Essays - 2500 words

Phlebotomy - Essay Example Professionalism is required while medical assistants work with patients. Therefore, efficiency, competence and a show of concern to patient needs and feelings are crucial (Lindh, Poole, Tamparo, & Dahl, 2010). A phlebotomist should understand the blood circulatory system and the composition of blood so as to be able to collect blood from an individual or patient. For instance, blood forms in the body organs, and bone marrow is responsible for the formation of blood cells. Blood is produced in sites such as the spleen, thymus and the lymph nodes (Lindh, Poole, Tamparo, & Dahl, 2010). Blood performs crucial functions in the body such as transporting oxygen to body tissues and organs and removing carbon dioxide from such organs and tissues, the waste product of functions of the organs and tissues. In addition, blood carries nutrients to all parts of the body and removes wastes products, which it moves to organs such as the kidney, lungs, liver and the skin for excretion (Lindh, Poole, Tamparo, & Dahl, 2010). Components of the blood circulatory system include the heart, veins, arteries and capillaries. The heart is responsible for the pumping of blood through the body in arteries, veins and capillaries (Lindh, Poole, Tamparo, & Dahl, 2010). Arteries enable blood to flow away from the heart while blood flows into the heart through veins. Capillaries connect veins and arteries. Arteries are thick walled to enable them withstand pressure, and they normally branch to form arterioles which also branch to form capillaries (Lindh, Poole, Tamparo, & Dahl, 2010). Capillaries join to form venules which supply blood back to the veins. Blood is composed of the liquid part which is plasma, red blood cells, platelets and white blood cells (Hoeltke, 2013). The circulatory is divided into two systems and these are the pulmonary system and the systemic system. Blood is circulated to the lungs for enrichment