Anatomy & Physiology
Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 22, Problem 21RQ

When ventilation is not sufficient, which of the following occurs?

  1. The capillary constricts.
  2. The capillary dilates.
  3. The partial pressure of oxygen in the affected alveolus increases.
  4. The bronchioles dilate.

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The volume of air flow to the alveoli is increased when there is an increase in: Group of answer choices the expiratory reserve volume bronchial spasms collapsed lung tissue the diameter of the airways airway resistance
The reason the elasticity and surface tension of the lungs do not cause the lungs to collapse between exhalation and inhalation is because the intrapulmonary pressure is higher than the atmospheric pressure the intrapleural pressure is less than the intrapulmonary pressure the intrapulmonary pressure is less than the atmospheric pressure the intrapleural pressure is greater than the atmospheric pressure more than one of the above
As a result of an auto accident, a fractured rib completely punctures the right chest wall of a 34-year-old male resulting in a right-sided pneumothorax. The alveoli in the right chest will collapse because of a/an :Decrease in intra-tracheal pressure, becoming more negativeIncrease in trans-chest wall pressure, becoming more negativeDecrease in intrapleural pressure , becoming less negativeIncrease in airway pressure, becoming more positive Increase  in alveolar pressure, becoming more negative

Chapter 22 Solutions

Anatomy & Physiology

Ch. 22 - A section of the lung that receives its own...Ch. 22 - The ________ circulation picks up oxygen for...Ch. 22 - The pleura that surrounds the lungs consists of...Ch. 22 - Which of the following processes does atmospheric...Ch. 22 - A decrease in volume leads to a(n) ________...Ch. 22 - The pressure difference between the intra-alveolar...Ch. 22 - Gas flow decreases as ________ increases....Ch. 22 - Contraction of the external intercostal muscles...Ch. 22 - Which of the following prevents the alveoli from...Ch. 22 - Gas moves from an area of ________ partial...Ch. 22 - When ventilation is not sufficient, which of the...Ch. 22 - Gas exchange that occurs at the level of the...Ch. 22 - The partial pressure of carbon dioxide is 45 mm Hg...Ch. 22 - Oxyhemoglobin forms by a chemical reaction between...Ch. 22 - Which of the following factors play a role in the...Ch. 22 - Which of the following occurs during the chloride...Ch. 22 - A low partial pressure of oxygen promotes...Ch. 22 - Increased ventilation that results in an increase...Ch. 22 - Exercise can trigger symptoms of AMS due to which...Ch. 22 - Which of the following stimulates the production...Ch. 22 - The olfactory pits form from which of the...Ch. 22 - A full complement of mature alveoli are present by...Ch. 22 - If a baby is bom prematurely before type II cells...Ch. 22 - When do fetal breathing movements begin? around...Ch. 22 - What happens to the fluid that remains in the...Ch. 22 - Describe the three regions of the pharynx and...Ch. 22 - If a person sustains an injury to the epiglottis,...Ch. 22 - Compare and contrast the conducting and...Ch. 22 - Compare and contrast the right and left lungs.Ch. 22 - Why are the pleurae not damaged during normal...Ch. 22 - Describe what is meant by the term lung...Ch. 22 - Outline the steps involved in quiet breathing.Ch. 22 - What is respiratory rate and how is it controlled?Ch. 22 - Compare and contrast Daltons law and Henrys law.Ch. 22 - A smoker develops damage to several alveoli that...Ch. 22 - Compare and contrast adult hemoglobin and fetal...Ch. 22 - Describe the relationship between the partial...Ch. 22 - Describe three ways in which carbon dioxide can be...Ch. 22 - Describe the neural factors involved in increasing...Ch. 22 - What is the major mechanism that results in...Ch. 22 - Dining what timeframe does a fetus have enough...Ch. 22 - Describe fetal breathing movements and their...
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