Exam 18: Exercise and Its Effects on the Cardiopulmonary System

Which of the following are benefits of moderate exercise? I.Reduced stress,anxiety and depression II.Reduced weight III.Decreased bone density IV.Improved sleep quality

What changes would be expected in blood vessels in the following areas during exercise? I.Capillaries of working muscles would fully dilate II.Visceral blood vessels would dilate III.Blood vessels of non-working muscles would constrict

What changes in ventilatory pattern would be expected during the third stage of moderate exercise?

During heavy exercise,what percent of the maximal exercise level is reached during the second stage?

What is the maximum cardiac output expected to be in marathon runners?

Which of the following can produce vasodilation of working muscles? I.Adenosine triphosphate II.Aldosterone III.Acetylcholine IV.Lactic acid

What change in ventilatory pattern is seen during the first stage of moderate exercise?

Which of the following are signs and symptoms of heat stroke? I.Absence of sweating II.Muscle cramping III.Circulatory collapse IV.Confusion

By what amount can ventilation increase during strenuous exercise?

During heavy exercise,what change in perfusion to working muscles can occur?

What increase in body heat production can occur during exercise?

What changes would be expected in the size of the heart chambers and heart mass of a marathon runner?

During heavy exercise,what percent of the total oxygen consumption is consumed by the skeletal muscles?

Which of the following are benefits of pulmonary rehabilitation in COPD? I.Increased exercise capacity II.Reduction in anxiety and depression III.Increased hospital length of stay IV.Improved upper arm strength and endurance

At rest,what percent of the total oxygen consumption is consumed by the skeletal muscles ?

What changes in arterial blood gases would be expected to occur exercise levels of 40% of maximum oxygen consumption? I.PaO₂ would decrease II.PaCO₂ would decrease III.pH would remain unchanged

Which of the following pathways likely contribute to increased ventilation during exercise? I.Cerebral cortex II.Proprioceptors in moving muscles,tendons and joints III.Increased body temperature

During heavy exercise,what change in CO can occur?

Which of the following circulatory changes are expected during exercise? I.Rate and strength of cardiac contractions increase II.Blood vessels in working muscles constrict III.Blood vessels of peripheral vascular system dilate IV.Blood vessel of heart and brain constrict

What percent of maximum can the respiratory system reach during extreme exercise?