Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 21.4, Problem 1QC
How does the pressure gradient between two gas mixtures influence the diffusion of those gases?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following mechanisms is not likely to be useful for ventilation in air?
A) Ram ventilation
B) A and B are not useful
C) External medium movement
D) None of the choices is useful
E) Cilia
The following image shows the respiratory membrane with its components labelled
from A to E.
Avpotis
Which of the following is the structure labelled "B" in this image?
a) Basal lamina
b) Endothelium
Oc) Surfactant layer
d) Simple squamous alveolar epithelium
Which of the following is the volume of air inspired at rest?
A) Total volume
B) Functional residual volume
C) Tidal volume
Chapter 21 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 21.1 - What are the main structures of the respiratory...Ch. 21.1 - 2. Is the larynx part of the upper or lower...Ch. 21.1 - Where are alveoli? What is their basic function?Ch. 21.1 - 4. List and define the four processes that make...Ch. 21.1 - 5. How does the respiratory system contribute to...Ch. 21.1 - List and describe four functions of the...Ch. 21.2 - Match the following terms with the correct...Ch. 21.2 - 2. Describe the external and internal structure...Ch. 21.2 - What happens to the glottis and the pitch of the...Ch. 21.2 - 4. What is the function of the tracheal mucosa?
Ch. 21.2 - How does the epithelium of the bronchial tree...Ch. 21.2 - Trace the pathway from the primary bronchi to the...Ch. 21.2 - 7. What structures make up the respiratory...Ch. 21.2 - Explain the structure of the pleural cavities.Ch. 21.3 - What drives the movement of gases?Ch. 21.3 - Prob. 2QCCh. 21.3 - 3. What drives the movement of gases during...Ch. 21.3 - What does the intrapleural pressure prevent under...Ch. 21.3 - 5. How are inspiration and expiration achieved?
Ch. 21.3 - 6. What is airway resistance? What is the main...Ch. 21.3 - How does surfactant decrease surface tension?Ch. 21.3 - 8. What is pulmonary compliance? What three...Ch. 21.3 - 9. What are three measurable pulmonary volumes?
Ch. 21.3 - 10. What is the vital capacity?
Ch. 21.4 - 1. How does the pressure gradient between two gas...Ch. 21.4 - Prob. 2QCCh. 21.4 - 3. What takes place during pulmonary gas...Ch. 21.4 - Prob. 4QCCh. 21.4 - Prob. 5QCCh. 21.4 - What are three factors that influence the...Ch. 21.5 - How is the majority of oxygen transported through...Ch. 21.5 - How do temperature, pH, PCO2, and BPG affect Hbs...Ch. 21.5 - 3. Why is the S shape of the oxygen-hemoglobin...Ch. 21.5 - What are the three ways in which the body...Ch. 21.5 - Prob. 5QCCh. 21.5 - Prob. 6QCCh. 21.6 - 1. Which steps of respiration rely on partial...Ch. 21.7 - 1. Which collection of neurons generates the...Ch. 21.7 - What are the functions of the dorsal and ventral...Ch. 21.7 - 3. Where are the central chemoreceptors located?...Ch. 21.7 - What do the central chemoreceptors trigger if...Ch. 21.7 - Prob. 5QCCh. 21.8 - 1. What are the differences between obstructive...Ch. 21.8 - 2. What are the three subtypes of COPD? What is...Ch. 21.8 - Prob. 3QCCh. 21 - Which of the following are functions of the...Ch. 21 - Prob. 2CYRCh. 21 - 3. Mark the following statements as true or false....Ch. 21 - Prob. 4CYRCh. 21 - 5. Fill in the blanks: The structures that vibrate...Ch. 21 - Prob. 6CYRCh. 21 - Prob. 7CYRCh. 21 - Prob. 8CYRCh. 21 - Match each term with the correct definition....Ch. 21 - Prob. 10CYRCh. 21 - Which of the following does not affect the...Ch. 21 - Prob. 12CYRCh. 21 - Fill in the blanks: When the alveolar PO2...Ch. 21 - Prob. 14CYRCh. 21 - Match the following terms with the correct...Ch. 21 - 16. Fill in the blanks: Hyperventilation causes...Ch. 21 - The basic rhythm for breathing is maintained by...Ch. 21 - Prob. 18CYRCh. 21 - Prob. 19CYRCh. 21 - Prob. 20CYRCh. 21 - Prob. 1CYUCh. 21 - Prob. 2CYUCh. 21 - Prob. 3CYUCh. 21 - Prob. 4CYUCh. 21 - 1. When a person hyperventilates, what happens to...Ch. 21 - Prob. 2AYKACh. 21 - Prob. 3AYKACh. 21 - Prob. 4AYKACh. 21 - 5. Mrs. Jordan is brought to the emergency room by...Ch. 21 - What happens to the metabolic rate of skeletal...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain what a partial pressure gradient is and how such gradients figure in gas exchange.arrow_forwardMatch the following statements about ventilation and respiration with whether it is true or false A)intrapulmonary pressure must be higher than atmospheric pressure in order to inhale B)as the volume of a vessel increases, the pressure decreases C)the presence of a thin layer of fluid between the parietal and visceral pleura allows us to increase the size of our lungs D)exhaling is an active process requiring muscle contraction E)elastic recoil decreases the volume of the lungsarrow_forwardWrite the reversible equation that shows the reaction of hemoglobin (Hb) with: A. Oxygen B. Carbon dioxidearrow_forward
- What generates the diffusion gradients for oxygen and carbon dioxide in the tissues?arrow_forwardWhich of the following is a normal characteristic of the respiratory membrane? A) The thickness of the respiratory membrane is not important in the efficiency of gas exchange. B) 0.5 to 1 micrometer thick c) at least 3 micrometer thickarrow_forward100 80 60 40 20 40 60 80 100 Po, (mm Hg) Percent oxygen saturation Hemoglobin/myoglobin 20arrow_forward
- Which of the following factors can affect the ability of a respiratory organ to exchange gases with the environment? A) The thickness of the membrane B) The surface area of the membrane C) The concentration gradient of the gases D) The amount of water on the membrane E) All choices are correct F) A, B, and C are correctarrow_forwardWhat are the eight steps of gas transport?arrow_forwardWhat is the physiological significance of the cooperative binding of oxygen by hemoglobin?arrow_forward
- In order for lungs to expand when the thoracic cavity expands, which of these pressures should be LOWEST (measured in mm Hg)? a) P atm b) P alv c) P iparrow_forwardWhat mainly differentiates myoglobin from hemoglobin if they both have oxygen-carrying functions?arrow_forwardWhich 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 bloodstreamarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Air Pollution for Kids | Learn about the Causes and Effects of Air Pollution; Author: Learn Bright;https://www.youtube.com/watch?v=Yjtgu2CxtEk;License: Standard Youtube License