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 20RQ
Gas moves from an area of ________ partial pressure to an area of ________ partial pressure.
- low; high
- low; low
- high; high
- high; low
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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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- The volume of air that can be exhaled after a normal tidal volume exhalation is the IRV FRC FVC ERVarrow_forwardOf 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_forwardA partial pressure gradient of oxygen exists between ________. a. air and lungs b. lungs and metabolically active tissues c. air at sea level and air at high altitudes d. all of the abovearrow_forward
- 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_forwardThe concentration of O2 in the medium when it first reaches the respiratory surface is ______. higher in a respiratory system using unidirectional flow than one using bidirectional flow higher in a respiratory system using bidirectional flow than one using unidirectional flow equal to that of the air or water surrounding the animal in both unidirectional flow and bidirectional flowarrow_forwardDuring exhalation, the pressures within the pleural space (intrapleural pressure) and the lung (pulmonary pressure), respectively, become: more negative, positive O less negative, negative more negative, negative O less negative, positivearrow_forward
- The most common way for carbon dioxide to be carried in the blood is __________. Group of answer choices choose one answer only directly dissolved as gas in the plasma bound to the protein portion of hemoglobin dissolved as bicarbonate ions in the plasma bound to the iron portion of hemoglobinarrow_forwardThe partial pressure of oxygen is higher in alveolar gases compared to ambient air. True Falsearrow_forwardThermistors are occasionally placed in the nose to monitor the breathing rate of patients. True or false False Truearrow_forward
- The figure below shows a plot of Transorgan pressures vs. volume for the chest wail, lung and the respiratory system as a whole (graph on left. Picture A of the model lung on the right corresponds to which number (point) in the graph on the left? Che Ahw Lung Volume TLC Che 20 FRC Ch RV MV -30 -20 -10 10 20 30 40 50 TransOrgan Static Pressure (cm H,O) Ah 10arrow_forwardA 6-year-old child inhales a peanut while playing which lodged in his right bronchus. The part of the lung being ventilated by the right bronchus will be showing which of the following regarding V/Q situation. High V/Q rationormalLow V/Q ratioDead spacevasodilationarrow_forwardThe flow rule states that (substances) gases or liquids flow from a region of higher pressure to a region of lower pressure. This can be applied to any section of the respiratory tract. Use this information to explain why the Heimlich maneuver (a sharp compression of the abdominal cavity just below the diaphragm) can dislodge food or other objects lodged in the trachea of a choking person.arrow_forward
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