EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
12th Edition
ISBN: 8220103633604
Author: 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
EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
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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- 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_forwardBased 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_forwardExplain what is happening physiologically.arrow_forward
- Describe 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_forwardmatch the following descriptions/figures to either normal breathing or hyperventilation.arrow_forward
- Describe how Boyle's law results in inspiration and expiration. Your response must include the following terms: diaphragm, intercostal muscles, volume, pressure, increase, decrease, movement of air in, movement of air out, contraction, relaxation.arrow_forwardDescribe how the change of breaths per minute changes.arrow_forwardWhich respiratory pressures play a role to provide for the inflow and outflow of air? Compare the values of the respective pressures during inspiration and expiration?arrow_forward
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