N336 Urinary Elimination student JAT 2011

N336 Urinary Elimination student JAT 2011 -...

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Jacqueline Tulley, RN, MSN, ACNP N336
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Known as voiding, micturation, urination Process: Filling of the bladder 200 – 450 ml of urine Activation of stretch receptors in bladder wall Signaling to the voiding reflex center Contraction of detrusor muscle Conscious relaxation of external urethral sphincter
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Kidneys produce urine at rate of 60ml hourly Can fluctuate by 1000- 2000ml  Most void 5 – 6 times daily Normal specific gravity 1.002 to 1.028.  
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Growth and  development Infants and children Elderly adults Produce 15 – 60ml of urine daily 8 to 10 wet diapers daily no voluntary  control of voiding Toilet training 18 – 24 months old Full control by age 3 years Enuresis is normal in children Nocturnal enuresis  normal until age 6 yrs Function of kidneys decrease at about  age 50 yrs ; have about 2/3rds  functioning nephrons by age 80 yrs Bladder volume may decrease so need  to urinate more often  nocturnal 
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This note was uploaded on 05/30/2011 for the course NUR 336 taught by Professor Patriciakelly during the Spring '11 term at St. Xavier.

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N336 Urinary Elimination student JAT 2011 -...

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