Shared Flashcard Set

Details

Test 2 - Bladder Control
Neurologic basis of bladder control
17
Health Care
Graduate
03/09/2014

Additional Health Care Flashcards

 


 

Cards

Term
Bladder innervation (4)
Definition
Cortex
Pons
Sympathetics
Parasympathetics
Term
Bladder innervation: cortex
Definition
medial frontal lobe
voluntary control of micturition
Term
Bladder innervation: pons
Definition
pontine mesencephalic reticular formation
urinary reflex control center
Term
Bladder innervation: sympathetics
Definition
T11-L2
inhibits micturition
Term
Bladder innervation: parasympathetics
Definition
S4-5
stimulates micturition
Term
Bladder control in babies =
Definition
reflexive
Term
Reflexive bladder control requires... (3)
Definition
afferents from bladder
intact cord (T11-L2, S2-4)
Efferents from sympathetic/parasympathetic
Term
Actions of sympathetic output on bladder control
Definition
inhibit detrusor
contract internal sphincter
Term
Actions of parasympathetic output on bladder control
Definition
stimulate detrusor
relax internal sphincter
Term
Voluntary bladder control requires.. (3)
Definition
medial frontal cortex
pons reflex center
sacral spinal cord
Term
Voluntary bladder control (inhibiting micturition):
Definition
cortex inhibits pons urination center until bladder is full

if bladder is full at inappropriate time to urinate, cortex stimulates LMNs to contract levator ani to compress bladder neck
Term
Voluntary bladder control (bladder emptying):
Definition
cortex disinhibits pons
pons inhibits sympathetics/somatic (pelvic floor), stimulates parasympathetics
Term
Disruption of bladder control caused by damage to... (2)
Definition
cortical micturition center
connection between pontine/sacral micturition centers
Term
Lesion above sacral cord segments >>
Definition
Reflexive/Neurogenic bladder (UMNL)
Term
Lesion at sacral cord/cauda equina >>
Definition
Flaccid bladder (LMNL)
Term
Reflexive/Neurogenic bladder s/sx (4)
Definition
contraction of bladder with small volumes of urine
excessive pressure upon contraction
incr tone (spasticity) of sphincter
dyssynergia btwn detrusor/sphincter
Term
Flaccid bladder s/sx (2)
Definition
lack of detrusor mm contraction
hypotonic sphincter
Supporting users have an ad free experience!