Podcast
Questions and Answers
What is the result of increased H+, PCO2, and BPG in blood?
What is the result of increased H+, PCO2, and BPG in blood?
- Decrease in hemoglobin affinity for O2 (correct)
- Increase in hemoglobin affinity for O2
- No effect on hemoglobin affinity for O2
- Complete blockage of O2 transport
What happens to hemoglobin's affinity for oxygen at decreased temperatures?
What happens to hemoglobin's affinity for oxygen at decreased temperatures?
- It decreases
- It increases (correct)
- It remains the same
- It becomes zero
What is the effect of heat production on hemoglobin's affinity for oxygen?
What is the effect of heat production on hemoglobin's affinity for oxygen?
- It becomes zero
- It decreases (correct)
- It remains the same
- It increases
What is the result of inadequate O2 delivery to tissues?
What is the result of inadequate O2 delivery to tissues?
What percentage of carbon dioxide is transported dissolved in plasma?
What percentage of carbon dioxide is transported dissolved in plasma?
What is the result of decreased pH on hemoglobin-O2 bond?
What is the result of decreased pH on hemoglobin-O2 bond?
What is the term for the shift of the O2-hemoglobin dissociation curve to the right?
What is the term for the shift of the O2-hemoglobin dissociation curve to the right?
What is the primary site of carbon dioxide transport in the blood?
What is the primary site of carbon dioxide transport in the blood?
What happens to the pH of blood when there is slow shallow breathing?
What happens to the pH of blood when there is slow shallow breathing?
What is the role of bicarbonate ions in the plasma?
What is the role of bicarbonate ions in the plasma?
What happens to carbon dioxide in the lungs?
What happens to carbon dioxide in the lungs?
What is the result of the chloride shift in the lungs?
What is the result of the chloride shift in the lungs?
What is the role of carbonic anhydrase in the transport of carbon dioxide?
What is the role of carbonic anhydrase in the transport of carbon dioxide?
What happens to the hydrogen ions in the red blood cell in the lungs?
What happens to the hydrogen ions in the red blood cell in the lungs?
At what point does arterial PO2 need to drop for peripheral chemoreceptors to respond?
At what point does arterial PO2 need to drop for peripheral chemoreceptors to respond?
What triggers peripheral chemoreceptors to send nerve impulses to respiratory centers despite normal PCO2?
What triggers peripheral chemoreceptors to send nerve impulses to respiratory centers despite normal PCO2?
What is the effect of hyperventilation on PCO2 levels?
What is the effect of hyperventilation on PCO2 levels?
How does a decrease in PCO2 during hyperventilation affect pH?
How does a decrease in PCO2 during hyperventilation affect pH?
What is the effect on peripheral chemoreceptors when pH is high?
What is the effect on peripheral chemoreceptors when pH is high?
How does hyperventilation initially affect breathing rate and depth?
How does hyperventilation initially affect breathing rate and depth?
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