Cardiovascular System 2023/2024 verified to pass

Cardiovascular SystemA cardiac cycle describes... - correct answer All the activities of the heart through one complete heartbeat. The heart's pumping action is regulated by an electrical conduction system that coordinates the contraction of the various chambers of the heart. - correct answer True What is another name for high blood pressure? - correct answer hypertension Which of these types of blood vessels contain thick muscular tissue within their walls to pump blood throughout the body? - correct answer Artery Which of these items hemoglobin, which carries oxygen to all cells and removes carbon dioxide? - correct answer red blood cells Which of these items help from clots? - correct answer Platelets Which disease occurs when not enough oxygen is supplied to the body issues, which results from a low amount of red blood cells, hemoglobin, or both? - correct answer Anemia Where does blood enter the heart? - correct answer atria What is the pale yellow liquid part of the blood? - correct answer Plasma What is cardiac arrest? - correct answer A sudden loss of blood flow resulting from the failure of the heart to effectively pump. Which of these items fight disease and infection? - correct answer White blood cells. During a heartbeat, what do the ventricles do while the atria relax? - correct answer Contract Iron or vitamin B12 supplements may be treatment for which disease? - correct answer Anemia Why dies sickle cell disease cause pain? - correct answer THe sickle cells stack up in the blood vessels What is atrial fibrillation? - correct answer A quivering or irregular heartbeat Why is hypertension known as the "silent killer"? - correct answer The disease often shows no symptoms Which blood type is known as the universal donor? - correct answer o- How many chambers are in the heart? - correct answer four What is the purpose of the valves in the heart? - correct answer To keep the blood flow in one direction Which disease occurs when there is an abnormal increase in the number of white blood cells, which results in fewer red blood cells carrying oxygen to body tissues? - correct answer Leukemia Which type of blood vessels carry blood away from the heart? - correct answer Artery Which layer of the heart is made of muscle tissues and pumps the blood through the system? - correct answer Myocardium In what type of circulation does the blood flow between the heart and lungs? - correct answer Pulmonary Which disease occurs when the heart is unable to pump enough blood to supply the needs of the body? - correct answer Congestive Heart Failure