Which are changes found in the urinary system as a result of aging?
a. ability to conserve sodium is decreased
b. glomerular filtration rate increases
c. stress incontinence increases in females
d. enlarged prostate by cause frequency or dribbling
e. BUN decreases
A, C, D
The following changes are found in the urinary system as a result of aging: nephrons decrease, resulting in decreased filtration and gradual decrease in excretory and reabsorptive functions of renal tubules, glomerular filtration rate decreases, resulting in decreased renal clearance of drugs, blood urea nitrogen (BUN) increases 20% by age 70, sodium-conserving ability is diminished, bladder capacity decreases, causing increased frequency of urination and nocturia, bladder and perineal muscles weaken, resulting in inability to empty the bladder, incidence of stress incontinence increases in females and the prostate may enlarge, causing frequency or dribbling in males.
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