How is urge incontinence different from stress incontinence?
A. A hallmark of urge incontinence is a postvoiding residual volume less than 50 mL and the hallmark of stress incontinence is a postvoiding residual volume greater than 50 mL.
B. Stress incontinence occurs in cognitively intact individuals and urge incontinence occurs in clients who have some degree of cognitive impairment.
C. Stress incontinence occurs because of weak pelvic floor muscles and urge incon-tinence occurs because of abnormal bladder contractions.
D. Urge incontinence can be managed by increasing fluid intake and stress inconti-nence can be managed by decreasing fluid intake.
C
Clients who suffer from stress incontinence have weak pelvic floor muscles or urethral sphincters and cannot tighten the urethra sufficiently to overcome the increased detrusor pressure. Stress incontinence is common after childbirth, when the pelvic muscles are stretched and weakened from pregnancy and delivery. Urge incontinence occurs in people who cannot suppress the contraction signal from the detrusor muscle. Abnormal detrusor contractions may be a result of neurologic abnormalities or may occur with no known abnormality.
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