Human Physiology: An Integrated Approach (8th Edition)
Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 25, Problem 14RQ

Specify whether each of the following parameters stays the same, increases, or decreases when a person becomes better conditioned for athletic activities:

  1. a. heart rate during exercise
  2. b. resting heart rate
  3. c. cardiac output during exercise
  4. d. resting cardiac output
  5. e. breathing rate during exercise
  6. f. blood flow to muscles during exercise
  7. g. blood pressure during exercise
  8. h. total peripheral resistance during exercise
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Which of the following variables does NOT exhibit the same graphical response (plotted as a line graph) from rest towards maximal endurance (aerobic) exercise as that of VO2?   a. Diastolic blood pressure   b. Cardiac output   c. Stroke volume   d. Heart rate   e. Systolic blood pressure
We have looked at exercise from a couple of perspectives now.  Of the sets of physiological parameters below, which is a combination of one parameter that increases, one that decreases and one that doesn't change with vigorous exercise in that order?     Tidal volume, Inspiratory reserve volume, stroke volume     Forced vital capacity, heart rate, cardiac output     Hematocrit, forced vital capacity, respiratory rate     Stroke volume, expiratory reserve volume, forced vital capacity     Heart rate, tidal volume, hematocrit
If you were to administer a graded exercise test, which of the following listed below would you not expect to find?     none of the answers are correct     approximately linear increase in heart rate with increasing work rate     approximately linear increase in systolic blood pressure with increasing work rate     failure of diastolic blood pressure to increase with increasing work rate
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