What neural and muscular responses are involved in the micturition reflex?
1
Voluntary contraction of the bladder and relaxation of the detrusor muscle
2
Contraction of the urethral sphincter and inhibition of stretch receptors
3
Involuntary relaxation of the bladder and contraction of the urethral sphincter
4
Contraction of the smooth muscles of the bladder and relaxation of the urethral sphincter