What does the central chemoreceptor directly detect? Body temperature The concentration of H+ in the interstitial fluid The rate of ventilation The concentration of O2 in the interstitial fluid
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The central chemoreceptor is located in the medulla oblongata of the brain. Show more…
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Which of the following statements is TRUE? Central chemoreceptors in the brain detect changes in H+ (pH). When blood needs to unload carbon dioxide, there are more action potentials in the cardioinhibitory center. Carbon dioxide dissolved in the blood does not affect pH. T cells prevent macrophages from engulfing pathogens.
Adi S.
When chemoreceptors in the vascular system of humans detect a slight decrease in DHA (which means that concentrations have increased) and the breathing rate must increase to compensate for the increase in carbon dioxide and decrease in oxygen.
Why can't the central chemoreceptors detect a change in extracellular fluid pH due to lactic acid accumulation in the blood plasma? Question 59 options: Central chemoreceptors only monitor O2, not pH. Hydrogen ions in blood plasma cannot cross the blood-brain barrier capillaries. Hydrogen ions in blood plasma are always removed from circulation by the kidneys before they are able to reach the central chemoreceptors. Central chemoreceptors only bind to CO2, not H+. Central chemoreceptors are only exposed to H+ that result from brain metabolism.
Bryan V.
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