Conversion from Type II to Type I fibers: Occurs with endurance training. Occurs

Question

Conversion from Type II to Type I fibers: Occurs with endurance training. Occurs in animal cross-innervation experiments. Never occurs. Occurs with endurance training and in animal cross-innervations experiments. Cardiac output i about during heavy exercise. Which of the following receives the majority of increased flow: Heart and kidney. Muscle and kidney. Muscle and brain. Heart and brain. Muscle and heart. In response to increase workloads, systolic(SBP) and diastolic (DBP) follow which of the following patterns: SBP increases with increased workloads while DBP drops. DBP increases with increased workloads while SBP remains constant. Both SBP and DBP increase linearly with increasing workloads. SBP increases with increasing workloads while DBP remains relatively. constant. SBP remains constant while DBP may rise and fall. The physiological mechanism (s) regulating stroke volume is (are): Maintained or enhanced end-diastolic volume. Greater systolic Emptying through sympathetic activity. Both A and B. Neither A nor B. The resting cardiac output for normal, healthy persons: Is about 300 ml per minute. Usually is greater than 12 liters per minute. Usually is between 4 and 7 liters per minute. Cannot be determined. During moderate exercise, the greatest amount of blood goes to the? Brain. Heart. Metabolically more active skeletal muscles Kidneys and gastrointestinal tract. Metabolically less active skeletal muscles.

Explanation / Answer

37. D. Both endurance training and cross-innervation experiments in animals have been shown to promote muscle conversion.

38. E. Muscle and Heart

39. D. During exercise, systolic BP increases to accomodate the increased work loads while diastolic BP remains relatively constant.

40. C. Both end systolic and diastolic volumes regulate SV.

41. C.

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