UMass Amherst KIN 470 - KIN 470 Exam II Study Guide (2 pages)
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KIN 470 Exam II Study Guide
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- Pages:
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- School:
- University of Massachusetts Amherst
- Course:
- Kin 470 - Exercise Physiology
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KIN 470 Exam II Study Guide bring a calculator to the Exam 1 How does the timing of systole and diastole change from rest to maximal exercise 2 What factors regulate stroke volume of the heart 3 What factors determine vascular resistance and of these which is the most important 4 What mechanical events occur in the heart during systole and then diastole 5 As pressure rises during the isovolumic phase of the cardiac cycle why isn t the volume of blood in the ventricles decreasing 6 How does stroke volume change as a function of exercise intensity 7 What substrates a k a fuel does the myocardium use How does this change as a function of exercise intensity 8 What factors lead to enhanced end diastolic volume during exercise 9 What is the Frank Starling law of the heart and how does it affect contractility strength of contraction and what is the underlying molecular mechanism of this effect 10 What is the Fick Equation 11 What two factors are thought to limit VO2max 12 What two factors regulate cardiac output And how do they change as exercise intensity increases 13 How does the autonomic nervous system modulate heart rate and how does this modulation change with the onset of exercise 14 What is the Central Command Theory of cardiovascular control 15 Diagram the inputs and outputs of the cardiovascular control center in the brain 16 How does ventilation change at the onset of submaximal exercise 17 What is the partial pressure of Oxygen CO2 and Nitrogen in room air at sea level 18 What structures make up the conducting zone of the lungs and what purpose do they serve 19 What structures make up the respiratory zone of the lungs and what processes occur in here 20 What factors determine the rate of diffusion of O2 and CO2 in the lungs Does this differ in the tissues How 21 How is CO2 transported in the blood 22 What factors according to Fick s Law determine the rate of diffusion of a gas 23 What distinguishes the pulmonary from the systemic circuit in the cardiovascular system What structures make up each 24 What is the shape of an oxyhemoglobin saturation curve and how does this affect O2 loading in the lungs and unloading in the tissues 25 What factors can cause shifts in an oxyhemoglobin saturation curve Graph the effects 26 How does the O2 saturation curve for myoglobin differ from hemoglobin And what physiological purpose does this difference serve 27 What factors control ventilation rate at the onset of exercise and how do these compare with the factors that regulate it during submaximal exercise 28 What role does the brain play in the control of ventilation at rest And during exercise What local peripheral factors influence the control center in the brain 29 Do the respiratory muscles fatigue during exercise If so under what conditions 30 How does ventilation respond to changes in arterial PO2 How about CO2 Which gas is the system more sensitive to
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KIN 470: EXAM 2
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