Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 17.3, Problem 14CC
As inhaled air becomes humidified passing down the airways, what happens to the PO2 of the air?
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Human Physiology: An Integrated Approach (8th Edition)
Ch. 17.1 - What is the difference between cellular...Ch. 17.1 - Prob. 2CCCh. 17.1 - Name the components (including muscles) of the...Ch. 17.1 - Which air passages of the respiratory system are...Ch. 17.1 - Cigarette smoking paralyzes cilia in the airways...Ch. 17.1 - Is blood flow through the pulmonary trunk greater...Ch. 17.1 - A person has left ventricular failure but normal...Ch. 17.1 - Calculate the mean pressure in a person whose...Ch. 17.2 - If nitrogen is 78% of atmospheric air, what is the...Ch. 17.2 - The partial pressure of water vapor in inspired...
Ch. 17.3 - How are lung volumes related to lung capacities?Ch. 17.3 - Which lung volume cannot be measured directly?Ch. 17.3 - Prob. 13CCCh. 17.3 - As inhaled air becomes humidified passing down the...Ch. 17.3 - Compare the direction of air movement during one...Ch. 17.3 - Explain the relationship between the lungs, the...Ch. 17.3 - Scarlett OHara is trying to squeeze herself into a...Ch. 17.3 - Why would loss of the ability to cough increase...Ch. 17.3 - Prob. 19CCCh. 17.3 - A stabbing victim is brought to the emergency room...Ch. 17.3 - In a normal person, which contributes more to the...Ch. 17.3 - Coal miners who spend years inhaling fine coal...Ch. 17.3 - How does the work required for breathing change...Ch. 17.3 - A cancerous lung tumor has grown into the walls of...Ch. 17.3 - Prob. 25CCCh. 17.3 - Prob. 26CCCh. 17.3 - Restrictive lung diseases decrease lung...Ch. 17.3 - Chronic obstructive lung disease causes patients...Ch. 17 - List four functions of the respiratory system.Ch. 17 - Give two definitions for the word respiration.Ch. 17 - Which sets of muscles are used for normal quiet...Ch. 17 - Give two functions of pleural fluid.Ch. 17 - Name the anatomical structures that an oxygen...Ch. 17 - Diagram the structure of an alveolus, and state...Ch. 17 - Trace the path of the pulmonary circulation. About...Ch. 17 - What happens to inspired air as it is conditioned...Ch. 17 - During inspiration, most of the thoracic volume...Ch. 17 - Prob. 10RQCh. 17 - Refer to the spirogram in the following figure: a....Ch. 17 - Of the three factors that contribute to the...Ch. 17 - Prob. 13RQCh. 17 - What is the function of surfactants in general? In...Ch. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Compile the following terms into a map of...Ch. 17 - Decide whether each of the following parameters...Ch. 17 - Prob. 20RQCh. 17 - The cartoon coyote is blowing up a balloon in...Ch. 17 - Match the descriptions to the appropriate phase(s)...Ch. 17 - Draw and label a graph showing the PO2 of air in...Ch. 17 - Prob. 24RQCh. 17 - Prob. 25RQCh. 17 - A student breathes at a rate of 20 breaths/min,...Ch. 17 - Prob. 27RQCh. 17 - Prob. 28RQCh. 17 - Assume a normal female has a resting tidal volume...Ch. 17 - Prob. 30RQCh. 17 - Prob. 31RQCh. 17 - Prob. 32RQCh. 17 - Prob. 33RQCh. 17 - Prob. 34RQCh. 17 - Prob. 35RQCh. 17 - Prob. 36RQ
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- How does the structure of alveoli maximize gas exchange?arrow_forwardWhat drives oxygen from the air spaces in alveoli, through tissue fluid, and across capillary epithelium? What drives carbon dioxide in the opposite direction?arrow_forwardThe respiratory components of the medulla consist of which of the following? Dorsal respiratory group Apneustic center Ventral respiratory group Pneumotaxic center 1 only 2 only 1 and 3 only 2 and 4 onlyarrow_forward
- When you sneeze, abdominal muscles abruptly contract, pushing your diaphragm upward. Given the discussion of the respiratory cycle in Section 10.4, why does this change expel air out your nose?arrow_forwardWe inhale oxygen when we breathe and exhale carbon dioxide. What is the oxygen used for and where does the carbon dioxide come from?arrow_forwardUnderwater, we humans cant compete with whales and other air-breathing marine mammals, which can stay submerged for extended periods. At the beach one day you meet a surfer who tells you that special training could allow her to swim underwater without breathing for an entire hour. From what you know of respiratory physiology, explain why she is mistaken.arrow_forward
- A section of the lung that receives its own tertiary bronchus is called the ________. bronchopulmonary segment pulmonary lob tile interpulmonary segment respiratory segmentarrow_forwardDue to its partial pressure gradient, carbon dioxide diffuses from cells into tissue fluid and into the ________; in the lungs, carbon dioxide diffuses into the ________. a. alveoli; bronchioles b. bloodstream; bronchioles c. alveoli; bloodstream d. bloodstream; alveoliarrow_forwardOxygen in air must diffuse across______ to enter the blood. a. pleural sacs b. alveolar sacs c. a moist respiratory surface d. both b and carrow_forward
- How do nerve impulses from the brain regulate ventilation of the lungs? How are the rate and depth of breathing controlled?arrow_forwardDuring inhalation, ________. a. the thoracic cavity expands d. the diaphragm relaxes c. atmospheric pressure declines d. the lungs deflatearrow_forwardWhich of the following prevents the alveoli from collapsing? residual volume tidal volume expiratory reserve volume inspiratory reserve volumearrow_forward
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