ATI TEAS - Anatomy and Physiology of the Cardiovascular System exam with complete solutions

the movement of blood and lymph around the body, which permits nutrient distribution, waste removal, communication, and protection What is the function of the cardiovascular system? arteries blood vessels that deliver blood from the heart to other parts of the body capillary small blood vessels that connect arterioles to venules diastole the portion of the cardiac cycle in which the heart refills with blood heart the muscle that pumps blood throughout the body hemoglobin the protein in red blood cells that carries oxygen from the lungs to the rest of the body leukocyte white blood cells which protect the body against disease lymph clear fluid that moves throughout the lymphatic system to fight disease lymphocyte a subtype of white blood cell found in lymph plasma the pale yellow component of blood that carries red blood cells, white blood cells, and platelets throughout the body systole the portion of the cardiac cycle in which the heart expels blood vein blood vessels that carry blood to the heart A Which of the following descries a property of cardiac cells? A. generation of electrical impulses B. production of red blood cells C. Immune protection functions D. Removal of waste products from the body B Which of the following blood component levels would be expected to increase following vaccinations? A. Red blood cells B. Antibodies C. Dissolved gases D. Leukocytes A Which of the following statements regarding the circulatory system is correct? A. The sinoatrial node is present in the top section of the right atrium B. Veins returning to the heart carry deoxygenated blood C. The heart's "lub-dub" sound is caused by electrical impulse generation D. The heart's atria have thicker walls than the ventricles. Heart attack myocardial infarction- lack of blood supply Arrhythmia abnormal heart rhythm- uneven heartbeat, very slow, or very fast Stroke when the brain is deprived of blood supply Aneurysms occurs when a section of the aorta bulges, stretches, and swells. weakens aorta to the point