Review final

Review final - Review: Final Exam 1) The right side of the...

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Review: Final Exam 1) The right side of the heart is associated with ______________, and the left side of the heart is associated with _______________. a) I. deoxygenated blood; oxygenated blood b) Both I & IV II. Oxygenated blood; deoxygenated blood c) Both II & III III. High pressure; low pressure d) Both II & IV IV. Low pressure; high pressure 2) Endurance training leads to an increased plasma volume and therefore total blood volume. This would lead to…. a) An increased end diastolic volume (EDV) b) An increased resting heart rate c) A decreased stroke volume d) An increased hematocrit 3) Which of the following factors have the greatest impact on resistance in blood flow? a) Length of the vessel b) Viscosity of the blood c) Radius of the vessel d) Hematocrit concentration 4) The a-v O2 difference ______________ during exercise (compared to rest). a) Increases b) Decreases c) Remains the same d) Nonlinear 5) The formula for blood flow is a) A pressure/resistance b) Resistance/A pressure
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c) LengthxViscosity/radius d) lengthxViscosity/radius4 6) the initial increase in heart rate during exercise, up to approximately 100 BPM is due to a) stimulation of the SA node by the sympathetic nervous system b) stimulation of the AV node by the sympathetic nervous system c) withdrawal of parasympathetic tone d) an increase in cardiac accelerator nerve stimulation 7) Luke’s systolic blood pressure is 170, his diastolic blood pressure is 70, what is his mean arterial pressure? a) 203 b) 103 c) 70 d) -29 8) According to the cardiac cycle, during diastole the ventricular pressure __________, and ventricular blood volume __________. a) Is high, increases b) Is high, decreases c) Is low, decreases d) Is low, increases 9) Does autoregulation of arterioles and opening of capillary beds increase or decrease the following variables(put increase or decrease in blank). a) Stroke volume ___________ b) Peripheral resistance ____________ c) Blood flow ____________ d) Cardiac output _________ 10) What is the natural “pacemaker” of the heart? a) SA node b) AV node
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c) Purkinje fiber d) Bundle branch 11) Which of the following characteristics of properties in the both skeletal and cardiac muscle? a) Gap junction b) Intercalated discs c) Actin and myosin d) Functional syncytium 12) The contraction phase of the cardiac cycle in…. a)
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Review final - Review: Final Exam 1) The right side of the...

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