Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 7SQ
After oxygen diffuses into lung capillaries, it also diffuses into _______ and binds with _______.
- a. tissue fluid; red blood cells
- b. tissue fluid; carbon dioxide
- c. red blood cells; hemoglobin
- d. red blood cells; carbon dioxide
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Which of the following will NOT facilitate the transfer of oxygen to tissues? a. decreased body temperature b. decreased pH of the blood c. increased carbon dioxide d. increased exercise
The rate of diffusion would increase by?
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D) a decrease in alveolar barrier thickness
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b. Keep the trachea open for continuous air flow
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Chapter 10 Solutions
Human Biology (MindTap Course List)
Ch. 10 - In the diagram below, label the parts of the...Ch. 10 - What is the difference between respiration and...Ch. 10 - Explain what a partial pressure gradient is and...Ch. 10 - What is oxyhemoglobin? Where does it form?Ch. 10 - What drives oxygen from the air spaces in alveoli,...Ch. 10 - How does hemoglobin help maintain the oxygen...Ch. 10 - What reactions enhance the transport of carbon...Ch. 10 - How do nerve impulses from the brain regulate...Ch. 10 - Why does your breathing rate increase when you...Ch. 10 - A partial pressure gradient of oxygen exists...
Ch. 10 - The ________ is an airway that connects the nose...Ch. 10 - Oxygen in air must diffuse across______ to enter...Ch. 10 - Prob. 4SQCh. 10 - Gas exchange occurs at the _______. a. two bronchi...Ch. 10 - Breathing _______. a. ventilates the lungs b....Ch. 10 - After oxygen diffuses into lung capillaries, it...Ch. 10 - Due to its partial pressure gradient, carbon...Ch. 10 - Prob. 9SQCh. 10 - Prob. 10SQCh. 10 - Cases of accidental carbon monoxide poisoning...Ch. 10 - Prob. 2CTCh. 10 - When you sneeze, abdominal muscles abruptly...Ch. 10 - Underwater, we humans cant compete with whales and...Ch. 10 - Prob. 5CT
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- During inhalation, ________. a. the thoracic cavity expands d. the diaphragm relaxes c. atmospheric pressure declines d. the lungs deflatearrow_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_forwardFigure 16.9 Which of the following statements about the human respiratory system is false? a. When we breathe in, air travels from the pharynx to the trachea. b. The bronchioles branch into bronchi. c. Alveolar ducts connect to alveolar sacs. d. Gas exchange between the lungs and blood takes place in the alveolus.arrow_forward
- Which of the following situations will cause an increase in airway resistance? a. Increase lung volume b. Decrease mucus production c. Increase sympathetic activity d. Increase parasympathetic activityarrow_forwardWhy do men typically have a greater lung capacity than women of equal size? a. They have larger lungs b. Men breathe more deeply than womenarrow_forwardA patient who breathes very slowly when wearing a low Flow of oxygen device would have: A. An increased concentration of oxygen in the lungs B. A decreased concentration of oxygen in the lungs C. There is no effect on oxygen concentration in the lungs D. There is a minimal if no effect on oxygen concentration in the lungsarrow_forward
- When the pressure in the lung is greater than atmospheric pressure:_____ A. inspiration occurs. B. expiration occurs. C. lung tissue has collapsed. D. the bronchioles are obstructed.arrow_forwardThe partial pressure of carbon dioxide is 45 mm Hg inthe blood and 40 mm Hg in the alveoli. What happens tothe carbon dioxide?a. It diffuses into the blood.b. It diffuses into the alveoli.c. The gradient is too small for carbon dioxide todiffuse.d. It decomposes into carbon and oxygenarrow_forwardDuring respiration, oxygen is inhaled through the airways into the alveoli where gas exchange occurs. For each condition described below, state if the flux of oxygen through the blood gas barrier into the pulmonary capillaries increases or decreases. Use Fick’s law to justify your answer. a. Climbing to the top of Mt. Everest b. More abundant but smaller alveoli c. Extreme increase in pulmonary capillary pressure d. Pulmonary fibrosisarrow_forward
- What is the primary goal of oxygen therapy in patients with chronic obstructive pulmonary disease (COPD)? A) To decrease carbon dioxide levels B) To increase oxygen saturation C) To improve exercise tolerance D) To reduce respiratory ratearrow_forwardWhich of the following best describes the gas exchange that occurs in the lungs? A. carbon dioxide diffuses into the capillaries from the alveoli B. oxygen diffuses from the capillaries into the alveoli C. carbon dioxide diffuses from the capillaries into the alveoli D. oxygen diffuse into the alveoli from the capillariesarrow_forward
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