Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 42, Problem 12PIAT
Summary Introduction
Introduction:
During athletic training, the demand of oxygen increases in the muscles. The respiratory system has to adjust accordingly to meet the oxygen demand.
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There is a theory that suggests a patient with COPD might have a depression of ventilation following administration of high fiO2. Which of the following best summarizes the recommendations on how to address this concern?
A. Never administer supplemental oxygen to patients with COPD as the risk of them stopping breathing is too great
B. Treat acute hypoxemia with oxygen, but wean the oxygen as soon as possible
C. Always double filter oxygen being delivered to a patient with COPD to ensure there are no particles that may be breathed in
D. Supplement oxygen therapy with medical grade carbon dioxide to maintain dr to breathe
Goals of oxygen therapy include all of the following except:
A. Increasing alveolar and blood levels of oxygen
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I. Free radicals are produced in an abundance, leading to cell damage and death
II. Can result in physiologic shunting
III. Can be avoided by limiting 02 exposure to < 70% concentration at all times
IV. Is marked by an increased in neutrophils and macrophages, common immune responses
A. I, II, III
B. I, II and IV
C. I, II, III and IV
Chapter 42 Solutions
Biological Science (6th Edition)
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- Which conditions would curve A most likely resemble? A. An individual with chronic obstructive pulmonary disease B. Increased H+ content C, Low temperatures D. An individual during moderate exercise E. CO2 poisoningarrow_forwardRespiratory alkalosis is recognized as a respiratory rate in excess of that which maintains normal plasma PCO2 levels. What is a common cause of respiratory alkalosis?a. Hyperventilation syndromeb. Hypoventilation syndromec. Cluster breathingd. Kussmaul breathingarrow_forward1. Describe the change in the structure of the air passageways from the primary bronchi to the terminal bronchioles and to the alveoli in the lungs.2. Explain the significance in the change of these structures.3. Explain how the air passageways respond during exercise.4. Explain why there is difficulty in breathing during asthma exacerbations.arrow_forward
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