Control of breathing Flashcards
1
Q
without gas masks what would happen if we climbed to the top of Mt. Everset
A
we would become uncosious if not dead within a few minutes
2
Q
what is the Patm on Mt. Everest
A
253mmHg, sea level is 760mmHg
3
Q
what type of movement is majority of ventilation
A
involuntary, controlled by CNS
4
Q
how is ventilation also voluntary
A
when we are speaking, hyperventilating, breath holding
5
Q
what is the hering-breuer relfex
A
restricts the amount of air that can be inspired
6
Q
what creates ventilatory drive
A
peripheral, cartoid, aortic chemoreceptors
