Urination physiology Flashcards
1
Q
What two mechanism govern bladder emptying?
A
Micturition reflex
Voluntary control
2
Q
What causes the micturition reflex?
A
Bladder stretch
3
Q
How much liquid can the bladder accommodate before stretch receptors are activated?
A
250-400ml
4
Q
What happens when the micturition reflex is activated?
A
Involuntary emptying of the bladder
5
Q
How can micturition be prevented?
A
Voluntary closure of the external sphincter
