Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The below graph shows changes in several cardiovascular parameters as the result of increased intensity of exercise in a population of untrained individuals. What commonly measured cardiovascular parameters might the curves labeled A, B, and C represent? What are the corresponding units for the y-axis of each measure? For your reference, the two labeled curves represent the Pulmonary Capillary Wedge Pressure (PCWP) and the Central Venous Pressure (CVP), both of which are measured in mmHg.
A
Right sided cardiac pressures (mmHg)
200
175
150
125
100
75
50
30
20
2
10-
0
20
40
60
80
Exercise intensity (% of maximum workload)
A
B
C
PCWP
CVP
100
160
- 150
140
130
120
110
100
30
20
10
B
C
+10
Transcribed Image Text:A Right sided cardiac pressures (mmHg) 200 175 150 125 100 75 50 30 20 2 10- 0 20 40 60 80 Exercise intensity (% of maximum workload) A B C PCWP CVP 100 160 - 150 140 130 120 110 100 30 20 10 B C +10
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