Hths 1111 final exam Study guides, Class notes & Summaries

The heart is positioned in which of the following cavities? diaphragmatic dorsal mediastinum pleural pelvic diaphragmatic Which organ or structure is lateral to the heart? esophagus lung sternum vertebral column lung The semilunar valves are between the: atria and atrioventricular valves atria and coronary sinus ventricles and vena cavae ventricles and the pulmonary trunk and aorta ventricles and the pulmonary trunk and aorta Blood flows from the right atrium, thro...

mediastinum The heart is positioned in which of the following cavities? sternum Which organ or structure is anterior to the heart? left ventricle Blood flows from the left atrium, through the bicuspid valve, into the ______________. Superior vena cava What is labeled 1? Aorta What is labeled 2? Right pulmonary arteries What is labeled 3? Left pulmonary arteries What is labeled 4? Right pulmonary veins What is labeled 5? Pulmonary trunk What is labeled 6? Pulmo...

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. ...