EBK HUMAN PHYSIOLOGY
7th Edition
ISBN: 9780133983401
Author: Silverthorn
Publisher: YUZU
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Textbook Question
Chapter 17, Problem 23RQ
Draw and label a graph showing the
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Assume your normal tidal volume is 500 mL/breath and your ventilation rate is 15 breaths per minute.
If you are taking shallow breaths (TV = 200 mL/breath) to avoid severe pain from a rib injury, what ventilation rate will be required to achieve the same total pulmonary ventilation?
Draw a graph and Identify (No) write definition:
MVV = maximal voluntary ventilation- №o
LVV low voluntary ventilation - №o
The phases of the respiratory cycle-№o
Tidal volume - №o
FEV1 = forced expiratory volume in 1 sec - №o
VC= Vital Capacity - №o
IRV = inspiratory reserve volume - №o
ERV = Expiratory Reserve Volume - №o
Compare your result with norm and draw a conclusion
D
H
10
Calculate an individual's alveolar ventilation when given the following information: tidal volume is 300mL, dead space ventilation is 100 mL, and breaths per minute equal 12.
Chapter 17 Solutions
EBK HUMAN PHYSIOLOGY
Ch. 17 - What is the difference between cellular...Ch. 17 - Prob. 2CCCh. 17 - Name the components (including muscles) of the...Ch. 17 - Which air passages of the respiratory system are...Ch. 17 - Cigarette smoking paralyzes cilia in the airways...Ch. 17 - Is blood flow through the pulmonary trunk greater...Ch. 17 - A person has left ventricular failure but normal...Ch. 17 - Calculate the mean pressure in a person whose...Ch. 17 - If nitrogen is 78% of atmospheric air, what is the...Ch. 17 - The partial pressure of water vapor in inspired...
Ch. 17 - How are lung volumes related to lung capacities?Ch. 17 - Which lung volume cannot be measured directly?Ch. 17 - Prob. 13CCCh. 17 - As inhaled air becomes humidified passing down the...Ch. 17 - Compare the direction of air movement during one...Ch. 17 - Explain the relationship between the lungs, the...Ch. 17 - Scarlett OHara is trying to squeeze herself into a...Ch. 17 - Why would loss of the ability to cough increase...Ch. 17 - Prob. 19CCCh. 17 - A stabbing victim is brought to the emergency room...Ch. 17 - In a normal person, which contributes more to the...Ch. 17 - Coal miners who spend years inhaling fine coal...Ch. 17 - How does the work required for breathing change...Ch. 17 - A cancerous lung tumor has grown into the walls of...Ch. 17 - Prob. 25CCCh. 17 - Prob. 26CCCh. 17 - Restrictive lung diseases decrease lung...Ch. 17 - 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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- Due 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_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
- Which of the following prevents the alveoli from collapsing? residual volume tidal volume expiratory reserve volume inspiratory reserve volumearrow_forwardIn a _______, air flows continually across the respiratory surface. a. fish b. bird c. frog d. mammalarrow_forwardWhen 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_forward
- The total lung capacity is calculated using which of the following formulas? residual volume + tidal volume + inspiratory reserve volume residual volume + expiratory reserve volume + inspiratory reserve volume expiratory reserve volume + tidal volume + inspiratory reserve volume residual volume + expiratory reserve volume + tidal volume + inspiratory reserve volumearrow_forwardCalculate both minute ventilation and alveolar ventilationgiven the following:respiratory rate = 12 breaths per minutetidal volume = 500 mL per breathphysiologic dead space = 150 mL per breatharrow_forwardMinute ventilation (Ve, L/min) is the result of tidal volume (TV, L/breath) and frequency (f, breaths/min) such that Ve = TV x f. The Ve which would result in the greatest alveolar ventilation would be: %3D O Ve = 5, TV =1.0 , f = 5 O Ve = 5, TV = 0.5, f = 10 O Ve = 5, TV = 0.25, f = 20arrow_forward
- Using the full and simplified versions of the alveolar gas equation, determine the partial pressure of carbon dioxide in the alveoli for an oxygen partial pressure of 160 mm Hg in the alveoli, a total pressure of 810 mm Hg, a partial pressure of oxygen in the surrounding air of 204 mm Hg, and a respiratory exchange ratio of 0.8. And provide one reason why this equation is essential for clinicians in a hospital setting. In your answer, comment on calculation/computation compared to accurately measure this value inside an individual alveoli.arrow_forwardThe inhalation and exhalation are two characteristics of respiratory function. Please explain the concept of ventilation versus respiration, and explain the characteristics of inspiration and expiration in terms of involved organs and the forces triggering them.arrow_forwardWhat is the alveolar ventilation of a resting person with a tidal volume of 500 mL, a dead space of 150 mL, and a respiratory rate of 12 breaths per minute? Suppose the person exercises, so that tidal volume increases to 4000 mL, dead space increases to 300 mL due to dilation of the respiratory passageways, and respiratory rate increases to 24 breaths per minute. What is the alveolar ventilation then? How is the change in alveolar ventilation beneficial for doing exercise?arrow_forward
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