UDS / Neurourology

Question 1

Detrusor contraction is mediated by the ___ nervous system

Answer 1

parasympathetic S2- S4

Question 2

Detrusor relaxation is mediated by the ___ nervous system

Answer 2

sympathetic (T10-L2)

Question 3

In the CNS, ___ controls the external sphincter

Answer 3

Onuf’s nucleus

Question 4

In the CNS, ___ coordinates detrusor contraction & external sphincter relaxation

Answer 4

Pontine Micturition Center

Question 5

Pdet = ___ - ____

Answer 5

Pves - Pabd

Question 6

Detrusor leak point pressure > ___ cmH20 puts increased risk of upper tract deterioration

Answer 6

40

Question 7

EMG on UDS measures ____ activity

Answer 7

external sphincter

Question 8

Spinning top urethra is a sign of _____

Answer 8

dysfunctional voiding

Question 9

Cerebral cortex lesion
___ bladder
___ sphincter
____ detrusor-sphincter coordination

Answer 9

overactive bladder
normal sphincter
normal detrusor-sphincter coordination

loss of frontal cortex inhibition of pontine micturition center

Question 10

Suprasacral SC lesion
___ bladder
___ sphincter
____ detrusor-sphincter coordination

Answer 10

overactive bladder
spastic sphincter
DSD - no detrusor-sphincter coordination

Question 11

Autonomic dysreflexia occurs with spinal cord lesions above ___

Answer 11

T6

Question 12

Autonomic dysreflexia

___ BP
___ HR

Answer 12

High BP
Low HR

Hypertension & bradycardia

Question 13

Sacral SC / PNS lesion
___ bladder
___ sphincter
____ detrusor-sphincter coordination

Answer 13

acontractile bladder
flaccid sphincter
no coordination (both flaccid)