Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 16, Problem 8aCP
Explain how the arterial
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Explain how the arterial PO2 and the oxygen content of whole blood are affected by (a) hyperventilation, (b) breathing from a tank containing 100% oxygen, (c) anemia (low red blood cell count and hemoglobin concentration), and (d) high altitude.
Tale
Which of the following are determinants of arterial oxygenation? Select all that apply.
A) CO2 levels in the blood
B) Amount of oxygen in alveolar air
C) Amount of hemoglobin present
D) CO2 levels in the cerebrospinal fluid
O E-If answers (1), (2), (3) and (4) are TRUE
Which of the following is NOT true about the liver lobule? *
(1) Bile canaliculi transport bile towards the bile ducts located at the corners of the liver lobule.
(2) Sinusoidal capillaries drain into the central vein.
(3) Liver lobules are capable of producing plasma proteins such as albumin.
(4) The portal arteriole takes blood to the liver lobule, while the portal venule takes blood away from the
liver lobule.
O A - If answers (1), (2) and (3) are TRUE
B - If answers (1) and (3) are TRUE
O C- If answers (2) and (4) are TRUE
O D- If only answer (4) is TRUE
O E- If answers (1), (2), (3) and (4) are TRUE
Which of the following is NOT true with regards the oxygen-hemoglobin
dissociation curve? *
27°C
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Chapter 16 Solutions
Human Physiology
Ch. 16 - Describe the structures involved in gas exchange...Ch. 16 - Prob. 1bCPCh. 16 - Describe how each lung is compartmentalized by the...Ch. 16 - Describe the changes in the intrapulmonary and...Ch. 16 - Explain how the compliance and elasticity of the...Ch. 16 - Describe pulmonary surfactant and discuss its...Ch. 16 - Describe the actions of the diaphragm and external...Ch. 16 - Explain how forced inspiration and forced...Ch. 16 - Define the terms tidal volume and vital capacity....Ch. 16 - How are the vital capacity and the forced...
Ch. 16 - Explain how the of air is calculated and how this...Ch. 16 - Explain how blood measurements are taken, and...Ch. 16 - Explain how the arterial and the oxygen content...Ch. 16 - Describe the ventilation/perfusion ratios of the...Ch. 16 - Explain how decompression sickness is produced in...Ch. 16 - Describe the roles of centers in the brain stem...Ch. 16 - Describe the effects of voluntary hyperventilation...Ch. 16 - Using a flowchart to show a negative feedback...Ch. 16 - Prob. 10bCPCh. 16 - Prob. 10cCPCh. 16 - Use a graph to illustrate the effects of Po2 on...Ch. 16 - Draw an oxyhemoglobin dissociation curve and label...Ch. 16 - Prob. 12aCPCh. 16 - Prob. 12bCPCh. 16 - List the ways in which carbon dioxide is carried...Ch. 16 - Where in the body does the chloride shift occur?...Ch. 16 - Where in the body does a reverse chloride shift...Ch. 16 - Using equations, show how carbonic acid and...Ch. 16 - Prob. 15aCPCh. 16 - Prob. 15bCPCh. 16 - Prob. 15cCPCh. 16 - Prob. 15dCPCh. 16 - Explain why a person with ketoacidosis...Ch. 16 - Prob. 16aCPCh. 16 - Explain why endurance-trained athletes have a...Ch. 16 - Prob. 17CPCh. 16 - Prob. 1RACh. 16 - Prob. 2RACh. 16 - The maximum amount of air that can be expired...Ch. 16 - Prob. 4RACh. 16 - Prob. 5RACh. 16 - Which of these would be most affected by a...Ch. 16 - Prob. 7RACh. 16 - Prob. 8RACh. 16 - The affinity of hemoglobin for oxygen is decreased...Ch. 16 - Prob. 10RACh. 16 - The bicarbonate concentration or the blood would...Ch. 16 - Prob. 12RACh. 16 - Prob. 13RACh. 16 - Which of these occur(s) during hypoxemia?...Ch. 16 - During exercise, which of these statements is...Ch. 16 - All of the following can bond with hemoglobin...Ch. 16 - Prob. 17RACh. 16 - The hypoxic ventilatory response occurs when low...Ch. 16 - Using a flow diagram to show cause and effect,...Ch. 16 - Radiographic (x-ray) pictures show that the rib...Ch. 16 - Explain, using a flowchart, how a rise in blood ...Ch. 16 - Explain why a person with ketoacidosis may...Ch. 16 - Prob. 23RACh. 16 - Explain how measurements of blood Pco2,...Ch. 16 - Describe the changes in ventilation that occur...Ch. 16 - Prob. 26RACh. 16 - Describe how ventilation changes when a person...Ch. 16 - Explain the physiological changes in the blood's...Ch. 16 - Compare asthma and emphysema in terms of their...Ch. 16 - Explain the mechanisms involved in quiet...Ch. 16 - Describe the formation, composition, and function...Ch. 16 - Prob. 32RACh. 16 - The nature of the sounds produced by percussion...Ch. 16 - Explain why the fast breath of a healthy neonate...Ch. 16 - Prob. 35RACh. 16 - Carbon monoxide poisoning from smoke inhalation...Ch. 16 - Prob. 37RACh. 16 - Explain how a subatmospheric intrapleural pressure...Ch. 16 - Prob. 39RACh. 16 - You cannot affect the oxygen delivery to your...Ch. 16 - Refer to figure 16.19 and calculate the Po2 of the...Ch. 16 - Refer to figure 16.19 and calculate the of the...Ch. 16 - Refer to figure 16.19 and calculate the Po2 of the...Ch. 16 - Use figure 16.34 to answer the following...Ch. 16 - Prob. 45RACh. 16 - Use figure 16.34 to answer the following...Ch. 16 - Prob. 47RA
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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_forwardHow does hemoglobin help maintain the oxygen partial pressure gradient during gas transport in the body?arrow_forwardExplain why, in a healthy person at sea level, increasing the alveolar (and therefore the arterial) PO2 either by hyperventilating or by breathing 100% oxygen does not appreciably increase the total content of oxygen in the blood?arrow_forward
- Decreased arterial pH (increased hydrogen ion concentration in the arterial blood) increases depth and frequency of respirations Choose from the following: (A) directly stimulating central chemoreceptors within the fourth ventricle of the medulla oblongata (B) directly stimulates the glomus cells of the aortic and carotid sinuses (C) both A and Barrow_forwardDo the following conditions cause hemoglobin to release more O2 to the tissues or to absorb more O2?(a) Raising the temperature(b) Increased production of CO2(c) Increasing the H+ concentrationarrow_forwardDescribe the change (increases, decreases, or stays the same) for each of the following variables if an individual hyperventilates: (a) blood CO2, (b) blood H+ concentration, and (c) blood pH.arrow_forward
- Graph the relationship between hemoglobin–O2 saturation and the partial pressure of O2 in the blood. What is the functional significance of the shape of the O2–hemoglobin dissociation curve? What factors affect the shape of the curve?arrow_forwardDescribe the physical principles governing the diffusion of gases into and out of the blood.arrow_forwardWhen individuals are hyperventilating, they are told to breathe into a paper bag or into their cupped hands. (a) Explain why this increases blood carbon dioxide levels. (b) What will this do to the breathing rate?arrow_forward
- During re-breathing into a paper bag, a change in arterial PCO2 by __________ will __________ respiratory rate. a) 100%; decrease b) 100%; not change c) 10%; decrease d) 10%; increasearrow_forwardKnowing the composition of blood is central to our understanding of the overall functions of the cardiovascular system and the respiratory system, and how these systems work together. a) Complete the Table below by;i) Describing the functions of each of the listed blood components.ii) Identifying if the blood component is directly (or indirectly) involved in the transport of respiratory gases. b) Explain how oxygen and carbon dioxide are transported in the bloodstream. Blood Component General Functions Involved in transport of respiratory gases (Yes / No) Plasma Red blood cells White blood cellsarrow_forward(a) Define hyperventilation. (b) If you hyperventilate, do you retain or expel more carbon dioxide? (c) What effect does hyperventilation have on blood pH?arrow_forward
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