Respiratory Flashcards
1
Q
What comprises the respiratory?
A
Dorsal respiratory group
Ventral respiratory group
Pneumotaxic center
2
Q
Where is the dorsal respiratory group located? What are its functions?
A
dorsal medulla
controls inspiration
3
Q
Where is the ventral respiratory group located? What are its functions?
A
ventrolateral medulla in the nucleus ambiguus and retroambiguus
controls inhalation and exhalation when large efforts needed
4
Q
Where is the pneumotaxic center located? What are its functions?
A
- dorsal superior pons in the nucleus parabrachialis
- rate and pattern of breathing
5
Q
What is the Herin-Breur inflation reflex?
A
stretch receptors in the bronchi and bronchioles sent afferent signals via the vagus to the dorsal respiratory nucleus to stop inhalation
