Respiratory Physiology 5 Flashcards
1
Q
Ventilatory control requires the stimulation of what?
A
Skeletal muscles of inspiration
2
Q
Where and through what nerve does the stimulation of the skeletal muscles of inspiration occur?
A
Occurs via the phrenic (to diaphragm) and intercostal nerves (to external intercostal muscles)
3
Q
Ventilatory control resides within ill defined centres located where?
A
Pons and the medulla
4
Q
What are the 2 types of chemoreceptors?
A
Central and perhipheral
5
Q
Where are central chemoreceptors located?
A
In the medulla
6
Q
What do central chemoreceptors respond to?
A
H+ ions
which originate from carbon dioxide
7
Q
What do central chemoreceptors provide?
A
Primary ventilatory drive
