In the alveoli Multiple Choice a)no exchange with the blood occurs. b) oxygen diffuses out of the blood while carbon dioxide diffuses into the blood. c) oxygen diffuses into the blood while carbon dioxide diffuses out of the blood. d) both oxygen and carbon dioxide diffuse into the blood. e) both oxygen and carbon dioxide diffuse out of the blood

In the alveoli Multiple Choice a)no exchange with the blood occurs. b) oxygen diffuses out of the blood while carbon dioxide diffuses into the blood. c) oxygen diffuses into the blood while carbon dioxide diffuses out of the blood. d) both oxygen and carbon dioxide diffuse into the blood. e) both oxygen and carbon dioxide diffuse out of the blood

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter17: Respiratory System

Section: Chapter Questions

Problem 6RQ

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Similar questions

Which is the order of airflow during inhalation? a. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli b. nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli c. nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli d. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli
How does the structure of alveoli maximize gas exchange?
What drives oxygen from the air spaces in alveoli, through tissue fluid, and across capillary epithelium? What drives carbon dioxide in the opposite direction?
Beginning with the alveolar space, place the following layers of the respiratory membrane into the correct order. a) capillary basement membrane b)interstitial tissue c)capillary epithelial cells d)alveolar basement membrane e)alveolar epithelial cells f)blood g)fluid and surfactant in the alveolus
Which of the following would increase the diffusion of oxygen from the alveoli into the bloodstream? a) A decrease in total lung capacity b) A decrease in circulating red blood cells in the blood c) An increase in the partial pressure of oxygen in the blood vessels surrounding the alveoli d) An increase in the number of blood vessels surrounding the alveoli e) A decrease in the pressure gradient between the alveoli and the bloodstream
4. The diffusing capacity of the lung for oxygen is decreased by an increase in which of the following? A) Alveolar membrane thickness B) Alveolar surface area C) Hematocrit D) Pulmonary capillary blood transit time E) Pulmonary capillary blood volume
The alveolar walls are composed of two types of cells type I and type II pneumocytes. The function of type II cells is to O increase surface tension O secrete surfactant O decrease surface tension O trap dust and other debris O b) and c) O b) and d)
Fibrosis is a restrictive disease characterised by abnormal formation of fibre-like scar tissue in the alveoli. How does this affect respiratory function? a) It causes a decrease in airway resistance O b) It causes a decrease in lung compliance O c) It causes an increase in airway resistance d) It causes an increase in lung compliance
The rate of diffusion would increase by? A) an increase in airway resistance B) a decrease in lung compliance C) a decrease in alveolar surface area D) a decrease in alveolar barrier thickness