BIO2A03-2011-L28 - Carotid Aortic Week 12 Page 3 PaO2 PaO2...

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(auto-rhymicity = ap fire regularly) produces a the rhythm Apneustic center DOMINATES pneumotaxi center pneumotaxic provides breaks for inhalatiion lecture28 March-24-11 5:35 PM Week 12 Page 1
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patterns depth I= inhalation, E= exhalation rate respiratory control centre joint -tendon receptors K+, lactate PaO2, pH, and PaCO2 (Pa= partial pressure) PaCO2 CA= carbonic anhydrase -protons cannot pass the the blood brain barrier, chemoreceptor does not monitor the amount of H+ in the blood but the amount of CO2 in the spinal fluid sensitive cerebral spinal fluid (CSF) pH carbonic anhydrase H+ Week 12 Page 2
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most important PCO2 pH of the ECF (CSF) glosso-pharyngeal nerves vagus nerves (BARO detect stretch and pressure)
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Unformatted text preview: Carotid Aortic Week 12 Page 3 PaO2 PaO2 PaCO2 pHa pHa [H+] PaCO2 PaCO2 new-born infants narcosis high altitude (low PaO2) severe exercise peripheral (e.g. lactate during exercise) peripheral H+ (is consumed in the carbonic anhydrase reaction) Week 12 Page 4 TITLE: VENTILATION EFFECTS OF PCO2 central Week 12 Page 5 (is not highly regulated) in equilibrium isohydric principle active physiological regulation Chloride Shift Week 12 Page 6 production excretion H+ & HCO3-<-can occur by respiratory disorder <- cause by hyperventilation H+ & HCO3-other than CO2 HCO3-H+ ion is added an H+ ion is lost HCO3- is added - fast constant [HCO3-] slow Week 12 Page 7...
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BIO2A03-2011-L28 - Carotid Aortic Week 12 Page 3 PaO2 PaO2...

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