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2. The following events occur when carbon dioxide enters an erythrocyte in a capillary. 1. Hydrogencarbonate ions diffuse into the plasma from the red blood cell 2. Dissociation of carbonic acid 3. Carbon dioxide reacts with water forming carbonic acid 4. Chloride ions diffuse into red blood cell from plasma Which is the correct order of the events? First step → Final step А. 2 4 1 В. 3 2 1 4 С. 3 1 4 2 D. 2 3 4 1 Е. 2 3 1 4

2. The following events occur when carbon dioxide enters an erythrocyte in a capillary. 1. Hydrogencarbonate ions diffuse into the plasma from the red blood cell 2. Dissociation of carbonic acid 3. Carbon dioxide reacts with water forming carbonic acid 4. Chloride ions diffuse into red blood cell from plasma Which is the correct order of the events? First step → Final step А. 2 4 1 В. 3 2 1 4 С. 3 1 4 2 D. 2 3 4 1 Е. 2 3 1 4

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. Carbon dioxide released during respiration can affect the % oxygen saturation of haemoglobin. Carbon dioxide reacts with water to form carbonic acid. Which statements below explains the effect of carbon dioxide on haemoglobin? A. The release of hydrogen ions causes the pH to rise, which reduces haemoglobin's affinity for охуgen. B. The release of hydrogen ions causes the pH to rise, which increases haemoglobin's affinity for oxygen. C. The release of hydrogen ions causes the pH to fall, which increases haemoglobin's affinity for охygen. D. The release of hydrogen ions causes the pH to fall, which reduces haemoglobin's affinity for охуgen. E. None of the above can explain the change. 2. The following events occur when carbon dioxide enters an erythrocyte in a capillary. 1. Hydrogencarbonate ions diffuse into the plasma from the red blood cell 2. Dissociation of carbonic acid 3. Carbon dioxide reacts with water forming carbonic acid 4. Chloride ions diffuse into red blood cell from plasma Which is the correct order of the events? First step Final step А. 2 4 1 3 В. 3 1 4 C. 3 1 4 2 D. 2 3 4 1 Е. 2 3 1 4 3. Fetal haemoglobin is able to obtain oxygen from maternal blood because A. fetal blood is more acid than maternal blood. B. maternal blood is more acidic than fetal blood. C. fetal red blood cell contains more haemoglobin than maternal red blood cell does. D. maternal haemoglobin binds BPG weaker. E. fetal haemoglobin binds BPG weaker.
Transcribed Image Text:1. Carbon dioxide released during respiration can affect the % oxygen saturation of haemoglobin. Carbon dioxide reacts with water to form carbonic acid. Which statements below explains the effect of carbon dioxide on haemoglobin? A. The release of hydrogen ions causes the pH to rise, which reduces haemoglobin's affinity for охуgen. B. The release of hydrogen ions causes the pH to rise, which increases haemoglobin's affinity for oxygen. C. The release of hydrogen ions causes the pH to fall, which increases haemoglobin's affinity for охygen. D. The release of hydrogen ions causes the pH to fall, which reduces haemoglobin's affinity for охуgen. E. None of the above can explain the change. 2. The following events occur when carbon dioxide enters an erythrocyte in a capillary. 1. Hydrogencarbonate ions diffuse into the plasma from the red blood cell 2. Dissociation of carbonic acid 3. Carbon dioxide reacts with water forming carbonic acid 4. Chloride ions diffuse into red blood cell from plasma Which is the correct order of the events? First step Final step А. 2 4 1 3 В. 3 1 4 C. 3 1 4 2 D. 2 3 4 1 Е. 2 3 1 4 3. Fetal haemoglobin is able to obtain oxygen from maternal blood because A. fetal blood is more acid than maternal blood. B. maternal blood is more acidic than fetal blood. C. fetal red blood cell contains more haemoglobin than maternal red blood cell does. D. maternal haemoglobin binds BPG weaker. E. fetal haemoglobin binds BPG weaker.
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