Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 23SAE
Define hyperventilation. If you hyperventilate, do you retain or expel more carbon dioxide? What effect does hyperventilation have on blood pH? On breathing rate?
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(a) Define hyperventilation. (b) If you hyperventilate, do you retain or expel more carbon dioxide? (c) What effect does hyperventilation have on blood pH?
1) During alveolar HYPERventilation, levels of blood CO2 drop while blood O2 is elevated. What reflexive responses will this stimulate from the CPG?
a) Increased DRG and VRG activity in the medulla, stimulating I and E motor neurons.
b) Decreased DRG and VRG activity in the medulla, stimulating I and E motor neurons.
c) Decreased DRG and VRG activity in the medulla, inhibiting I and E motor neurons.
d) Increased DRG and VRG activity in the medulla, inhibiting I and E motor neurons.
Explain the Effects of increasing or decreasing alveolar ventilation on alveolar partial pressures in a person having a constant metabolic rate?
Chapter 13 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 13 - More than one choice may apply. When you exhale,...Ch. 13 - Prob. 2MCCh. 13 - Prob. 3MCCh. 13 - Prob. 4MCCh. 13 - Prob. 5MCCh. 13 - Prob. 6MCCh. 13 - Prob. 7MCCh. 13 - 8. Clearly explain the difference between external...Ch. 13 - Prob. 9SAECh. 13 - 10. Why is it important that the trachea be...
Ch. 13 - Where in the respiratory tract is the air...Ch. 13 - Prob. 12SAECh. 13 - Prob. 13SAECh. 13 - 14. What is it about the structure of the alveoli...Ch. 13 - Prob. 15SAECh. 13 - Name several nonrespiratory air movements, and...Ch. 13 - Prob. 17SAECh. 13 - What is the major way that oxygen is transported...Ch. 13 - Prob. 19SAECh. 13 - Prob. 20SAECh. 13 - Prob. 21SAECh. 13 - Name two chemical factors that modify respiratory...Ch. 13 - Define hyperventilation. If you hyperventilate, do...Ch. 13 - 24. Compare and contrast the signs and symptoms of...Ch. 13 - Prob. 25SAECh. 13 - Prob. 26CTCh. 13 - Why doesn’t Laney have to worry when her...Ch. 13 - 28. Mr. Alvarez bumped a bee’s nest while making...Ch. 13 - Prob. 29CTCh. 13 - Prob. 30CTCh. 13 - Prob. 31CT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What drives oxygen from the air spaces in alveoli, through tissue fluid, and across capillary epithelium? What drives carbon dioxide in the opposite direction?arrow_forwardHow do nerve impulses from the brain regulate ventilation of the lungs? How are the rate and depth of breathing controlled?arrow_forwardWhat reactions enhance the transport of carbon dioxide throughout the body? How is carbon dioxide moved out of the body?arrow_forward
- Hyperventilation will increase or decrease our ability to hold our breath for an extended period?arrow_forwardState the equation relating minute ventilation, tidal volume, and respiratory rate. Give representative values for each in a normal person at rest?arrow_forwardWhich is a more effective way to increase alveolar ventilation – doubling tidal volume while maintaining normal breathing rate or doubling breathing rate while maintaining normal tidal volumes? How would this alter arterial partial pressures of oxygen and carbon dioxide? Make sure you support your answer with calculationsarrow_forward
- Based on the results from hyperventilation, does the concentration of oxygen or carbon dioxide have a greater influence on how long one can hold his breath? Explain whyarrow_forwardDescribe the sequence of events that causes air to move into the lungs during inhalation and out of the lungs during expiration. Diagram the changes in intrapleural pressure and alveolar pressure.arrow_forwardDescribe the partial pressures that are relevant to gas exchange.arrow_forward
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