Bladder

Question 1

system which controls bladder

Answer 1

parasympathetic nervous system via acetylcholine at M3 (muscarinic) receptors in the bladder

Question 2

overactive bladder

Answer 2

common, 33% US
mainly affects elderly
unpredictable, embarrassing

Question 3

sx of overactive bladder syndrome

Answer 3

urgency
frequency - 8+ times/daily
nocturia - 2+ times/night
urge incontinence - didn’t make it

Question 4

tx for overactive bladder syndrome

Answer 4

behavioral therapy: planning voiding times, planning drinking times, limit caffeine, kegel exercises

meds - oxybutynin

Question 5

oxybutynin

Answer 5

overactive bladder - blocks acetylcholine at M3 receptors
anticholinergic
tachycardia
contraindicated in pts w/glaucoma and myasthenia gravis

Question 6

glaucoma and oxybutynin

Answer 6

med increases intraocular pressure

Question 7

myasthenia gravis and oxybutynin

Answer 7

autoimmune destruction of acetylcholine receptors w/myasthenia gravis…blockage of receptors from med worsens sx