QUESTIONS AND CORRECT ANSWERS
Overactive Bladder, OAB (presentation) - Correct answers✔✔Detrusor muscle contracts
frequently & before bladder's full
Urinary Urgency & Urinary Frequency (differences) - Correct answers✔✔Urgency: sudden,
compelling urge to pass urine
Frequency: voiding > 8 times in 24 hrs
Nocturia (definition) - Correct answers✔✔voiding > 2 times/night
*Detrusor Muscle, Bladder, Internal & External Sphincter (description & functions)* - Correct
answers✔✔*Detrusor: Outer muscular layer of the bladder, mostly parasympathetic, w/ bladder
stores & expel urine*
Bladder & Internal Sphincter: sympathetic-nerve controlled
External Sphincter: controlled by somatic nervous system
*Overactive Bladder (pathophysiology)* - Correct answers✔✔*Muscarinic (M3) receptors
(function in bladder): Ach binds to M3 receptor in bladder (controls emptying & involuntary
contractions of incontinence) & in detrusor muscle (controls voluntary & involuntary
contractions)
In OAB: the detrusor muscle is hyperactive --> OAB symptoms*
, Functional Urinary Incontinence (definition) - Correct answers✔✔no bladder abnormality, may
be cognitively, socially, or physically impaired
Overflow Urinary Incontinence (definition) - Correct answers✔✔leakage, amt urine stored >
capacity, w/o urge, BPH is most common cause
Stress Urinary Incontinence (definition) - Correct answers✔✔leaks from exertion (ex. exercise,
cough, sneezing, or laughing)
Urge Urinary Incontinence (definition) - Correct answers✔✔can't hold urine long enough,
caused by DM, stroke, Parkinson's, or MS
Mixed Urinary Incontinence (definition) - Correct answers✔✔combo of urge & stress
incontinence
OAB (risk factors) - Correct answers✔✔1. Age > 40 y/o
2. Diseases: DM, neurologic conditions (ex. stroke, Parkinson's, dementia)
3. Lifestyle: low mobility, obesity
4. Medical Hx: hysterectomy, pelvic injury, prior vaginal delivery
5. Drugs (cough from ACE-Is, EtOH, cholinesterase inhibitors, diuretics, sedatives)
OAB (symptoms & diagnosis) - Correct answers✔✔S/S: Urinary urgency or frequency, nocturia
Dx: PE, urinalysis, co-morbid conditions, Urinary Distress Inventory questionnaire (UDI) &
Overactive Bladder Questionnaire (OAB-q), urine culture, bladder diary