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13 Cards in this Set
- Front
- Back
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Factors that affect gas exchange? 2
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respiratory membrane
partial pressures |
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Hemoglobin Dissociation curve: temp high?
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shifts to right
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Hemoglobin Dissociation curve: low pH?
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shift to right
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Hemoglobin Dissociation curve: low pO2?
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curve shifts to right
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Hemoglobin Dissociation curve: high pCO2?
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shift to right
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2 mechanisms to control respiration?
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neural mechanism
chemical regulation |
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What are the 2 respiratory groups in the Medulla?
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DRG
VRG |
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Role of the respiratory groups?
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send signals to phrenic nerve and intercostal nerves
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Role of Pontine Respiratory group?
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inhibits DRG/VRG
limits length of inspiration |
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Where are the central and peripheral chemorecpeptors found?
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Central-medulla
Peripheral- carotid & aortic bodies |
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What is a very potent central chemoreceptor?
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CO2
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Hypercapnia?
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increases CO2 gets into CSF to tell medulla to increase breathing rate
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Apnea?
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not being able to breath
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