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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Textbook Question
Chapter 22, Problem 14RQ
Which of the following processes does atmospheric pressure play a role in?
- pulmonary ventilation
- production of pulmonaiy surfactant
- resistance
- surface tension
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Which of the following is a phase of human respiration?
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In control of ventilation, which of the following is the most important?
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PO2 in the inspired air
PCO2 in the inspired air
The lungs perform other
:physiologic functions
Play secondary role in heat exchange
and fluid balance of the body by
warming the air we breathe in (inspire).
All O
Keeping the PH (acidity) of the blood
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Exchange of O2 and CO2.
Chapter 22 Solutions
Anatomy & Physiology
Ch. 22 - Visit this site...Ch. 22 - Watch this video...Ch. 22 - Watch this video...Ch. 22 - Which of the following anatomical structures is...Ch. 22 - What is the function of the conchae in the nasal...Ch. 22 - The fauces connects which of the following...Ch. 22 - Which of the following are structural features of...Ch. 22 - Which of the following structures is not part of...Ch. 22 - What is the role of alveolar macrophages? to...Ch. 22 - Which of the following structures separates the...
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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- Breathing _______. a. ventilates the lungs b. draws air into airways c. expels air from airways d. causes reversals in pressure gradients e. all of the abovearrow_forwardDue to its partial pressure gradient, carbon dioxide diffuses from cells into tissue fluid and into the ________; in the lungs, carbon dioxide diffuses into the ________. a. alveoli; bronchioles b. bloodstream; bronchioles c. alveoli; bloodstream d. bloodstream; alveoliarrow_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_forward
- Of the following, which does not explain why the partial pressure of oxygen is lower in the lung than in the external air? Air in the lung is humidified; therefore, water vapor pressure alters the pressure Carbon dioxide mixes with oxygen Oxygen is moved into the blood and is headed to the tissues Lungs exert a pressure on the air to reduce the oxygen pressure.arrow_forwardGas moves from an area of ________ partial pressure to an area of ________ partial pressure. low; high low; low high; high high; lowarrow_forwardA pilot is flying a commercial, pressurized (760mmHg) airplane at 30,000 feet. If the pilot’s body temperature is normal and the alveolar PO2 is 100 mmHg, which of the following is true? Atrieal PCO2 is 40 mmHgAlveolar PCO2 will be 100 mmHgThe pilot will be polycythemicAlveolar ventilation will be increasedAterial pH will be 7.6arrow_forward
- As compared to respiration, the processess involve in breathing includes? Bio-chemical Processes Mechanical Processes Bio physical Processes Non-mechanical Processesarrow_forwardAll of the following factors increase hemoglobin's affinity for oxygen EXCEPT: Increased temperature Increased pH Decreased pCO2 Decreased 2,3-DPG All of the above increase hemoglobin's affinity for oxygen The conduction zone: Question 7 options: participates in some gas exchange secretes mucus which is moved down into the respiratory zone of the lungs dries moist air as it moves into the respiratory zone equilibrates incoming air to body temperature none of the above are correct The respiratory membrane for gas exchange includes (select the best answer): Question 8 options: Capillary endothelial cells Type I alveolar cells Type II alveolar cells A and B above A and C abovearrow_forwardWhich of the following actions describes movement of diaphragm during exhalation? Group of answer choices relaxes and moves up contracts then moves up contracts then moves down relaxes and moves downarrow_forward
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