ANATOMY & PHYS.CONNECT CARD 180 DAY
4th Edition
ISBN: 9781265750770
Author: McKinley
Publisher: MCG
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Chapter 23, Problem 20DYKB
List the variables that increase the release of oxygen (by decreasing the affinity of oxygen to hemoglobin) as blood passes through systemic capillaries.
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List the variables that increase the release of oxygen (by decreasing the affinity of oxygen to hemoglobin) as blood passes through systemic capillaries.
The dotted lines in the two graphs below represent a shift in the oxygen-hemoglobin dissociation curve. Which shift would allow more oxygen delivery to the tissues? Name three conditions in the tissues that would cause thecurve to shift this way.
When oxygenated blood (Hemoglobin nearly 100% saturated), reaches resting systemic tissues, what percentage of the available oxygen is unloaded from hemoglobin? 100%, 75%, 50%, or 25%?
Chapter 23 Solutions
ANATOMY & PHYS.CONNECT CARD 180 DAY
Ch. 23.1 - Which respiratory structure is associated with the...Ch. 23.1 - Prob. 2WDYLCh. 23.1 - In what ways does the epithelium of the upper...Ch. 23.2 - What changes occur to inhaled air as it passes...Ch. 23.2 - Prob. 5WDYLCh. 23.2 - What two regions of the pharynx contain tonsils?...Ch. 23.2 - How does the larynx assist in increasing abdominal...Ch. 23.2 - What are the three unpaired cartilages in the...Ch. 23.2 - Prob. 9WDYLCh. 23.3 - What is the function of the C-shaped tracheal...
Ch. 23.3 - What are the significant structural differences...Ch. 23.3 - Which of the following respiratory structures are...Ch. 23.3 - The respiratory tract can be damaged from...Ch. 23.3 - Prob. 14WDYLCh. 23.3 - Prob. 15WDYLCh. 23.4 - Match the component of the ling with its air...Ch. 23.4 - Prob. 17WDYLCh. 23.4 - What is the function of serous fluid within the...Ch. 23.4 - Why is the intrapleural pressure normally lower...Ch. 23.5 - Prob. 20WDYLCh. 23.5 - Describe the sequence of events of quiet...Ch. 23.5 - How are larger amounts of air moved between the...Ch. 23.5 - Prob. 23WDYLCh. 23.5 - Which of the following stimuli will cause an...Ch. 23.5 - Are the skeletal muscles of breathing innervated...Ch. 23.5 - The two factors that determine airflow are the...Ch. 23.5 - A person in yoga class is encouraged to take long,...Ch. 23.5 - Prob. 28WDYLCh. 23.6 - Given the same partial pressure for oxygen and...Ch. 23.6 - How do the partial pressures of oxygen and carbon...Ch. 23.6 - Prob. 31WDYLCh. 23.6 - How do the partial pressures of oxygen and carbon...Ch. 23.7 - Why is such a small percentage (about 2%) of...Ch. 23.7 - How is the majority of carbon dioxide transported...Ch. 23.7 - How does oxygen movement occur during alveolar gas...Ch. 23.7 - How does carbon dioxide movement occur during...Ch. 23.7 - Does hemoglobin saturation increase or decrease...Ch. 23.7 - How is oxygen release from hemoglobin during...Ch. 23.8 - How does blood PO2 and PCO2 change if an...Ch. 23.8 - How does blood PO2 and PCO2 change during...Ch. 23.8 - Prob. 41WDYLCh. 23 - Prob. 1DYKBCh. 23 - Prob. 2DYKBCh. 23 - Prob. 3DYKBCh. 23 - Prob. 4DYKBCh. 23 - Prob. 5DYKBCh. 23 - Which areas of the brain contain the respiratory...Ch. 23 - Prob. 7DYKBCh. 23 - Prob. 8DYKBCh. 23 - Prob. 9DYKBCh. 23 - Prob. 10DYKBCh. 23 - Explain how the respiratory tract is organized...Ch. 23 - Describe the relationship of the visceral pleura,...Ch. 23 - List the four processes of respiration, in order,...Ch. 23 - Describe the muscles, volume changes, and pressure...Ch. 23 - Explain how additional air is moved during a...Ch. 23 - Describe bow quiet breathing is controlled by the...Ch. 23 - Explain alveolar and systemic gas exchange.Ch. 23 - List the two means by which oxygen is transported...Ch. 23 - Describe the relationship of PCO2 and hemoglobin...Ch. 23 - List the variables that increase the release of...Ch. 23 - Paramedics arrived at a car accident to find an...Ch. 23 - Use the following to answer questions 24....Ch. 23 - Use the following to answer questions 24....Ch. 23 - Use the following to answer questions 24....Ch. 23 - Prob. 5CALCh. 23 - Prob. 1CSLCh. 23 - The nerve to the sternocleidomastoid muscle was...Ch. 23 - Prob. 3CSL
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- 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_forwardDraw three separate oxygen-hemoglobin dissociation curves and then use arrows to show the change in oxygen saturation of most hemoglobins when: 1. deoxygenated blood enters the capillaries in the lungs. 2. oxygenated blood enters the capillaries in muscle tissue at rest. 3. oxygenated blood enters the capillaries in muscle tissue during vigorous exercise.arrow_forward
- Referring to the loading and unloading of oxygen from hemoglobin (as illustrated in the figure), which of the following statements is correct? Oxygen Dissociation Curve.png Group of answer choices When a person in ventilating at rest, 75% of hemoglobin is still oxyhemoglobin The percent saturation of hemoglobin is higher at higher partial pressures of oxygen A decrease in the pH of the blood would promote unloading oxygen from the hemoglobin All of these are correctarrow_forwardDiscuss the factors that affect oxygen binding in hemoglobin.arrow_forwardName the gas that reduces oxygen carrying capacity of the blood.arrow_forward
- Make a list of the different physiological equations: Equation to calculate CaO2 (content of oxygen in arterial blood) and assume 100% saturation and no oxygen diffused in solution; all is carried by hemoglobin (what is the hemoglobin binding constant?) =arrow_forward100 80 60 40 20 40 60 80 100 Po, (mm Hg) Percent oxygen saturation Hemoglobin/myoglobin 20arrow_forwardWhich is true about the oxygen-hemoglobin dissociation curve? A decrease in pH decreases hemoglobin affinity for oxygen A decrease in temperature increases hemoglobin affinity for oxygen Oxygen unloads from hemoglobin when tissue PO2 decreases An increase in PCO2 decreases hemoglobin affinity for oxygen All of the abovearrow_forward
- Explain the mechanism through which the hemoglobin oxygen dissociation curve changes in exercising tissues relative to those tissues at rest. How does this change affect the amount of oxygen delivered to exercising tissues?arrow_forwardThe ability of hemoglobin to bind oxygen decreases with decreasing oxygen concentration and also decreases with increasing carbon dioxide concentration. What effect do these phenomena have on the delivery of oxygen to tissues?arrow_forwardDiscuss hemoglobin relative to its chemical structure, its function, and the color changes it undergoes during loading and unloading of oxygen.arrow_forward
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