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 1ILQ

Visit this site (http://openstaxcollege.org/l/asthma) to learn more about what happens during an asthma attack. What are the three changes that occur inside the airways during an asthma attack?

Expert Solution & Answer
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Summary Introduction

To write:

The three changes that occur in the airways during an asthma attack.

Introduction:

Asthma is a persistent respiratory disease. In asthma, temporary airway obstruction leads to difficulty in breathing. In severe cases, it may lead to a lack of ability to talk and inactivity of the person.

Explanation of Solution

There are mainly three changes that occur in the airways of respiratory tract during an asthma attack, namely, inflammation, production of excess mucus in the airways and bronchiole constriction leading to obstruction of the airways.

  1. Inflammation − During an asthma attack, the bronchial tubes become swollen and red. This inflammation adds greatly to the chronic damage that can occur due to asthma to the lungs.
  2. Excess production of mucus − Mucus is found in the lining of the digestive system, airways and lungs, and other body parts. Mucus protects the airways from infection. During an asthma attack, the quantity of mucus exceeds than usual.
  3. Bronchoconstriction − The contraction of the muscles during asthma attack causes narrowing of bronchus and limit the amount of air passing in and out of lungs. Bronchoconstriction or constriction in the airways further aggravates the asthma attack.
Conclusion

Thus, the inflammation, constriction of bronchioles, and excessive production of mucus occur in the airways during an asthma attack.

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Visit this site (http://openstaxcollege.org/l/asthma) tolearn more about what happens during an asthma attack.What are the three changes that occur inside the airwaysduring an asthma attack?
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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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