Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 21, Problem 6AYKB
What happens to the
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Chapter 21 Solutions
Human Anatomy & Physiology
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 - 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 - What drives the movement of gases?Ch. 21.3 - Prob. 7QCCh. 21.3 - Prob. 8QCCh. 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...
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- Some patients with severe emphysema have constant high levels of carbon dioxide because of inadequate ventilation. The central nervous system breathing center in these patients becomes insensitive to carbon dioxide and more dependent on the level of oxygen, which is low. These patients are said to have “oxygen-dependent respiratory drive". What might happen if you give such a person high levels of supplemental oxygen? Essay Toolbar navigation BIU S > > > !!!arrow_forwardWhich of the following statements regarding control of respiration is TRUE? At high altitude, a decrease in PC02 of the blood stimulates an increase in ventilation. An increase in the HCO3- concentration in blood stimulates ventilation. A slight decrease in arterial PO2 is a stronger stimulus for increased ventilation than is a comparable decrease in arterial PCO2. The most important signal for regulating ventilation is the H+ concentration of arterial blood. Increased concentrations of lactic acid stimulate ventilation primarily by acting on peripheral chemoreceptors.arrow_forwardWhat type of respiration takes place in human muscles during vigorous exercise and why?arrow_forward
- How do breathing (ventilation) and pulse rates respond to exercise? Why?arrow_forwardHow does an uncoupler of respiration work?arrow_forwardThe movement of air out of the lungs during normal expiration is a result of? Air moves out of the lungs due to the relaxation of the diaphragm and intercostal muscles. Air moves out of the lungs due to the passive elastic recoil of the chest wall and lungs. Air is forced out of the lungs due to the active contraction of the abdominal and external intercostal muscles. Air is forced out of the lungs due to the active contraction of the abdominal and internal intercostal muscles.arrow_forward
- How is CO2 diffusing out of working muscle transported in the blood (to the lung capillaries)? Choose the two main forms. (pKa of H2CO3: 6.4; pH of blood: 7.4) O H2CO3; CO2 gas O HCO;1: CO2 gas O HCO31; Carbamate (R-NH-Coo, CO, is carried by hemoglobin) O H,CO3; Carbamate (R-NH-COO, CO2 is carried by hemoglobin)arrow_forwardIn our discussion of oxygen binding, we saw how oxygen affinity may be affected by temperature. The book mentions that "temperature effects may become a problem in the hypothermic limbs of mammals in Arctic climates," (pg. 650) but it doesn't explain why. Given what you understand about oxygen binding affinity and temperature, why would these animals have an issue? O The cold temperatures increase the binding affinity of oxygen to myoglobin. The cold temepratures decrease the binding affinity of oxygen to hemoglobin. The cold temperatures increase the binding affinity of oxygen to hemoglobin. The cold temperatures decrease the bindingg affinity of oxygen to myoglobin.arrow_forwarddescribe the relationship between oxygen consumption & oxygen uptake, and between carbon dioxide production & carbon dioxide unloading? please describe in detail.arrow_forward
- What is the effect on the oxygen binding of hemoglobin in the muscle cells?arrow_forwardBecause flight is metabolically demanding, birds have very efficient systems that help to meet these demands. Look at the following list of characteristics and choose those that contribute to the physiological demands of flight. One-way airflow respiration Endothermy Large heart Nucleated red blood cells Slow heart rate Two-cycle lung ventilation Air sacs Separate pulmonary / systemic circulation Air capillariesarrow_forwardYou mention is it beneficial to train in high altitudes. Which physiological changes occur in the body in response to lower partial oxygen pressures?.. .arrow_forward
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