HTHS 1111 Final exam (chapter 16-20) questions and answers with complete solutions 2024

Valvular Regurgitation occurs when blood flows from: Ventricles to atria Location of systemic arteries in lower body Norepinephrine, epinephrine, antidiuretic hormone, angiotensin II and endothelium-derived factors are all examples of: Vasoconstrictors Location of S-T segment on graph Blood flows from the right ventricle, through the pulmonary semilunar valve, into the______ Pulmonary trunk Sympathetic innervation of the heart activates ______ receptors which _____ the heart rate. B-1 and B-2 (beta-1 and beta-2), increases Location of Mediastinum Autoregulation means that precapillary sphincters: change in diameter depending on the metabolic demand of the tissue The correct order of electrical conduction Sinoatrial (SA) node> Atrioventricular (AV) node> Atrioventricular (AV) bundle (bundle of his)> Right and left bundle branches> Purkinje fibers The pulmonary trunk conducts blood away from the heart toward the: lungs Location of Open aortic valve Stroke volume output is defined as: end-diastolic volume minus end-systolic volume The correct order of the elements of systemic circulation: left atrium> Left ventricle> tissues of body> capillaries> right atrium Location of systemic veins on lower body Location of brachial vein Compared to arteries, veins have: lower pressure valvular stenosis describes valves that are too: stiff Location of bundle branch Sinusoid capillary An obese individual develops miles of additional blood vessels, how does this affect blood flow? Resistance is increased decreasing blood flow Location of renal vein