NSCA- CPT CH 2 EXAM QUESTIONS AND ANSWERS 100% VERIFIED

NSCA- CPT CH 2 EXAM QUESTIONS AND ANSWERS 100% VERIFIED Cardiovascular system - answerTransports nutrients and removed metabolic waste products while helping to maintain the environment for all of the body's functions. The blood transports oxygen from the lungs to the tissues for use in cellular metabolism and transports carbon dioxide from the tissues to the lungs, where it is removed from the body Oxygen - answerDissolved in the blood and carried via hemoglobin. Hemoglobin - answerIron-containing protein within red blood cells that has the capacity to being between one and four oxygen molecules. Oxygen-hemoglobin curve - answerIllustrates the saturation of hemoglobin at various partial pressures. As Oxygen binds to hemoglobin it facilitates subsequent binding of oxygen molecules Factors influencing oxygen-hemoglobin curve - answerDecrease in core body temps (shift to left), arterial blood acidity Electrical conduction system of the heart - answer1. SA node 2. AV node 3. Purkinje fibers 4. Contraction of ventricles Purkinje fibers - answerSeries of fibers that surround the ventricles Superior and inferior vena cava - answerReturns venous (deoxygenated) blood to the right atrium and is then delivered to the right ventricle Superior vena cava - answerReturns deoxygenated blood from the head and upper extremities Inferior vena cava - answerReturns deoxygenated blood from the trunk and lower extremity Pulmonary artery - answerDeoxygenated blood is delivered to the lung (where has exchange occurs) from right ventricle through this Pulmonary vein - answerReturns oxygenated blood to left atrium and is delivered to the left ventricle