NU271: Elimination Key Terms

elimination

the secretion and excretion of physiologic waste products by the kidneys and the intestines

micturition

process of emptying the urinary bladder (urination/voiding)

anuria

very little to no urine output; <100 mL in a 24-hour period

obliguria

low urine output; <400 mL in a 24-hour period or <30 mL/hr or < 0.5 mL/kg/h

polyuria

production of abnormally large volumes of dilute urine

nocturia

waking up at night to urinate

dysuria

painful or difficult urination

enuresis

involuntary urination, especially by chi

retention

inability to completely empty the bladder

neurogenic bladder

bladder dysfunction caused by neurologic damage

chyme

food broken down into a thick, semi-fluid mass in stomach and small intestine

peristalsis

involuntary wave-like contractions of the GI tract that propel food and feces forward

flatus

intestinal gas