NHA Phlebotomy Exam 2023

What are the 2 types of circulation in the heart? - Answer- Pulmonary & systemic What does pulmonary circulation do? - Answer- Carried deoxygenated blood from the right ventricle to the lungs What does systemic circulation do? - Answer- Carries oxygenated blood from the left ventricle throughout the body What are the 2 right valves of the heart? - Answer- Tricuspid (atrioventricular) & pulmonic (semi-lunar) What are the 2 left valves of the heart? - Answer- Mitral (atrioventricular) & aortic (semi-lunar) What are the 3 layers of the heart? - Answer- Endocardium, myocardium, epicardium What are the 8 blood vessels? - Answer- Aorta, arteries, arterioles, capillaries, venules, veins, superior vena cava, inferior vena cava How many liters of blood are in the average adult body? - Answer- 5-6 liters Plasma is what portion of the blood? - Answer- Liquid Formed elements are what portion of the blood? - Answer- Cellular What does the formed elements (cellular) portion of the blood contain? - Answer- Erythrocytes, leukocytes, thrombocytes What is the lifespan for Erythrocytes? - Answer- 120 days What are the 5 leukocytes? - Answer- Neutrophils, lymphocytes, monocytes, eosinophils, basophils What is another name for leukocytes? - Answer- White blood cells Define hemostasis - Answer- The process by which the blood vessels are repaired after injury What are the 4 stages of hemostasis? - Answer- Vascular, platelet, coagulation, fibrinolysis