oxygenation_csv Flashcards
<p>Ventilation_</p>
<p>The process of moving gases into and out of the lungs</p>
<p>Perfusion</p>
<p>The ability of the cardiovascular system to pump oxygenated blood to the tissues and return deoxygenated blood to the lungs</p>
<p>Diffusion</p>
<p>Exchange of respiratory gases in the alveoli and capillaries</p>
<p>Work of breathing</p>
<p>#NAME?</p>
<p>Surfactant</p>
<p>Chemical produced in the lungs to maintain the surface tension of the alveoli and keep them from collapsing.</p>
<p>Atelectasis</p>
<p>Collapse of the alveoli that prevents the normal exchange of oxygen and carbon dioxide.</p>
<p>Compliance and airway resistance</p>
<p>Compliance: Ability of lungs to distend or expand in response to intraaveolar pressure</p>
<p>Inspiration/expiration</p>
<p>Inspiration = An active process stimulated by chemical receptors in the aorta; a passive process for expiration</p>
<p>Pulmonary circulation</p>
<p>Moves blood to and from the alveolar capillary membranes for gas exchange</p>
<p>Oxygen transport</p>
<p>Lungs and cardiovascular system</p>
<p>Carbon dioxide transport</p>
<p>Diffuses into red blood cells and is hydrated into carbonic acid</p>
<p>tidal, residual, forced vital capacity (FVC)</p>
<p>Tidal: Amount of air exhaled after normal inspiration.</p>
<p>Carbon dioxide transport</p>
<p>Respiratory Gas Exchange</p>
<p>Neural regulation</p>
<p>Central nervous system controls the respiratory rate, depth, and rhythm.</p>
<p>Chemical regulation</p>
<p>Maintains the rate and depth of respirations based on changes in the blood concentrations of CO2 and O2, and in hydrogen ion concentration (pH)</p>
<p>Oxygenated blood (blood high in oxygen and low in carbon dioxide) then travels from the \_\_\_\_\_to the \_\_\_\_\_and the \_\_\_\_\_.</p>
<p>Cardiopulmonary physiology involves delivery of deoxygenated blood (blood high in carbon dioxide and low in oxygen) to the right side of the heart and then to the lungs, where it is oxygenated.</p>
<p>Myocardial pump</p>
<p>Two atria and two ventricles</p>
<p>Coronary artery circulation</p>
<p>Coronary arteries supply the myocardium with nutrients and remove wastes.</p>
<p>Myocardial blood flow</p>
<p>Unidirectional through four valves</p>
<p>Systemic circulation</p>
<p>Arteries and veins deliver nutrients and oxygen and remove waste products.</p>
<p>Cardiac output</p>
<p>Amount of blood ejected from the left ventricle each minute</p>
<p>Stroke volume</p>
<p>Amount of blood ejected from the left ventricle with each contraction</p>
<p>Cardiac output (CO) =</p>
<p>Stroke volume (SV) _ Heart rate (HR)</p>
<p>Afterload</p>
<p>Preload</p>
<p>Autonomic nervous system</p>
<p>Influences the rate of impulse generation and the speed of conduction pathways</p>
<p>Sympathetic nervous system</p>
<p>Increases the rate of impulse generation and impulse transmission and innervates all parts of the atria and ventricle</p>