Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
8th Edition
ISBN: 9780135212905
Author: Dee Silverthorn
Publisher: PEARSON+
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Textbook Question
Chapter 17, Problem 9RQ
During inspiration, most of the thoracic volume change is the result of movement of the _____.
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During expiration pural pressure is less than atmospheric pressure (true , false)
During inspiration, transpulmonary pressure __________.
Group of answer choices pick one answer only
increases
decreases
stays the same
The patient's fatigue and respiratory rate of 6 breaths/min further caused the ventilation-perfusion ratio to (____rise; _____fall).
Chapter 17 Solutions
Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
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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- Gas exchange occurs at the _______. a. two bronchi b. pleural sacs c. alveoli d. both b and carrow_forwardThe volume of air that can be exhaled after a normal tidal volume exhalation is the IRV FRC FVC ERVarrow_forwardThe average compliance of the lungs and chest wall combined is 0.1 L/cm H2O. 0.2 L/cm H2O 0.3 L/cm H2O 0.4 L/cm H2Oarrow_forward
- A contraction of the smooth muscle in the walls of the bronchi and bronchioles that tighten and squeeze the airway shut is known as a/an ______________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_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
- Gas exchange that occurs at the level of the tissues is called ________. external respiration inteipulmonarv respiration internal respiiation pulmonary ventilationarrow_forwardWhich of the following prevents the alveoli from collapsing? residual volume tidal volume expiratory reserve volume inspiratory reserve volumearrow_forwardIf lung alveolar air PO2 = 100 mm Hg, we should expect blood leaving the lungs to have a PO2 _______ mm Hg. less than 100 mm Hg higher than 100 mm Hg equal to 100 mm Hgarrow_forward
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