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 26RQ
Which of the following occurs during the chloride shift?
- Chloride is removed from the erythrocyte.
- Chlor ide is exchanged for bicarbonate.
- Bicarbonate is removed from the erythrocyte.
- Bicarbonate is removed fr om the blood.
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Capillary
in lung)
Alveoli in
lung
Capillary
in
tissue
Poz
PC0₂
Poz
= 40 mm Hg
Pco₂ = 46 mm Hg
100 mm Hg
= 40 mm Hg
0₂
= CO₂
Cells in
body
Refer to the accompanying figure. Which statement is accurate?
CO₂ will diffuse from the alveoli into the capillaries.
CO₂ will diffuse from the capillaries into the tissues.
O₂ will diffuse from the capillaries in the tissues to the capillaries in the lung.
O₂ will diffuse from the alveoli into the capillaries.
O₂ will diffuse from the tissues into the capillaries.
Which of the following stimulates the production oferythrocytes?a. AMSb. high blood levels of carbon dioxidec. low atmospheric pressured. erythropoietin
Which statement regarding carbon dioxide transport in the blood is true?
HCO3- dissociates into CO2 and O2.
H2CO3 dissociates into H+ and HCO3-.
93% remains dissolved in plasma as CO2.
The chloride shift occurs when Cl- moves out of RBCs in exchange for HCO3-.
25% is converted to H2CO3 by carbonic anhydrase.
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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- After oxygen diffuses into lung capillaries, it also diffuses into _______ and binds with _______. a. tissue fluid; red blood cells b. tissue fluid; carbon dioxide c. red blood cells; hemoglobin d. red blood cells; carbon dioxidearrow_forwardThe volume of air that can be exhaled after a normal tidal volume exhalation is the IRV FRC FVC ERVarrow_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
- With the appearance of strong oxidizers in blood in erythrocytes one of the following substances is formed first of all: 1. carbhemoglobin 2. carboxyhemoglobin 3. oxyhemoglobin 4. methemoglobin 5. deoxyhemoglobinarrow_forwardReferring 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_forwardWhich of the following is the BEST definition for the Haldane effect? O Carbonic anhydrase converts CO2 into bicarbonate and hydrogen ions O Increased concentration of CO2 decreases hemoglobin affinity for oxygen Decreased PO2 increases hemoglobin affinity for CO2 CO2 binds to hemoglobin as oxygen concentration decreases Decreased pH decreases hemoglobin affinity for oxygemarrow_forward
- Which substance is transported by hemoglobin? urea water охygen O nitrogenarrow_forwardIn normal healthy person the systemic arterial PaO2 is 97 mmHg. After giving oxygen to the tissue, the venous side PaO2 becomes 40mmHg. After this transfer the Hb saturation with oxygen still remains 75%50%0%40%97%arrow_forwardIn which of the following erythropoetic cells does hemoglobin synthesis begin? Oa Polychromatophilic erythroblast Ob Proerythroblast oh 3cOrthochromatic erythroblast Od Reticulocyte e. Basophilic erythroblastarrow_forward
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