Physiology - Regulation of respiration Flashcards
which of these gives information to the medullary respiratory centre
a. excercise centre
b. motor cortex
a.excercise centre
which area gives a voluntary pathway to the respiratory muscles
a. excercise centre
b. motor cortex
b.motor cortex
true or false there is a final common pathway to resp muscles
a. true
b. false
a.true
where are the peripheral chemoreceptors found?
a. medullary resp centre
b. motor cortex
c. excercise centre
d. carotid and aortic arches
d.carotid and aortic arches
where are the central chemoreceptors found?
a. medullary resp centre
b. motor cortex
c. excercise centre
d. carotid and aortic arches
a.medullary resp centre
afferent nerves ru from the peripheral chemorecptors to the..
a. medullary resp centre
b. motor cortex
c. excercise centre
d. carotid and aortic arches
a.medullary resp centre
what is the effector for regulation of breathing
a. tidal vol
b. co2
c. alveolar minute vol
c.alveolar minute vol
what do peripheral chemoreceptors detect changes in?
a. paO2
b. paCO2
a.paO2
what do central chemoreceptors detect changes in?
a. paO2
b. paCO2
b.paCO2
when paco2 is increased central chemoreceptors are..
a. activated
b. deactivated
a.activated
what does an increased minute volume lead to/
a. increased pAO2 and PACO2
b. decreased PAO2 and PACO2
c. increased PAO2 and decreased PACO2
c.increased PAO2 and decreased PACO2
what curve is most affected by denervation of peripheral chemoreceptors?
a. O2 response curve
b. CO2 response curve
a.O2 response curve
chemoreceptors respons to what change in pH leading to an increase in minute volume?
a. decreased pH
b. increased pH
a.decreased pH
hypoventilation leads to..
a. co2 retention
b. alkalosis
a.co2 retention
hyperventilation leads to..
a. co2 retention
b. alkalosis
b.alkalosis
