An antelope sprints quickly away from a predator, relying on anaerobic respiration in the powerful skeletal muscles of its legs to escape. While it is being chased there is a surge in the release of norepinephrine from the autonomic nervous system. After it has escaped there is a surge of acetylcholine release from the autonomic nervous system. What might you expect to see in its circulatory system while it is being chased? A. an increased heart rate B. an increased cardiac output C. an increased mean arterial blood pressure D. all of the above E. none of the above
An antelope sprints quickly away from a predator, relying on anaerobic respiration in the powerful skeletal muscles of its legs to escape. While it is being chased there is a surge in the release of norepinephrine from the autonomic nervous system. After it has escaped there is a surge of acetylcholine release from the autonomic nervous system. What might you expect to see in its circulatory system while it is being chased? A. an increased heart rate B. an increased cardiac output C. an increased mean arterial blood pressure D. all of the above E. none of the above
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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16. An antelope sprints quickly away from a predator, relying on anaerobic respiration in the powerful skeletal muscles of its legs to escape. While it is being chased there is a surge in the release of norepinephrine from the autonomic nervous system. After it has escaped there is a surge of acetylcholine release from the autonomic nervous system. What might you expect to see in its circulatory system while it is being chased?
| A. |
an increased heart rate |
|
| B. |
an increased cardiac output |
|
| C. |
an increased mean arterial blood pressure |
|
| D. |
all of the above |
|
| E. |
none of the above |
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