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Chapter 45_Urinary Elimination
Urinary Elimination
37
Nursing
Undergraduate 2
02/11/2013

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Term
Why are patients with chronic kidney conditions prone to anemia?
Definition
their kidneys don't produce enough erythropoietin, which stimulates RBC production
Term
how does renal ischemia help increase blood pressure
Definition
Renal ischemia: Renin produced by juxtaglomerular cells: helps convert angiotensinogen in the liver into angiotensin I: angiotensin I converts into angiotensin II in the lungs: angiotensin II stimulates vasoconstriction and secretion of aldosterone: aldosterone causes retention of water and increase in blood pressure
Term
which hormones produced by the kidneys increase renal blood flow?
Definition
prostaglandin E2 and prostacyclin
Term
by which mechanism do kidneys affect calcium regulation
Definition
by producing a substance that converts vitamin D into its active form
Term
what is renal colic often caused by?
Definition
obstruction in a urether, which causes strong peristaltic contractions, which try to push the blockage into the bladder
Term
muscle controlling the bladder
Definition
detrusor muscle
Term
if the bladder is palpable above the pubic symphysis that means that...
Definition
bladder is probably distended (possibly very full)
Term
what is reflex incontinence caused by?
Definition
damage to the spinal cord above the sacral region
Term
when does overflow incontinence happen
Definition
when bladder pressure exceeds the external sphincter pressure
Term
Increase nitrogenous waste in blood, coma, convulsions, headache, nausea, vomiting characterize... and are results of which disease?
Definition
uremic syndrome, end stage renal disease
Term
General name for treatments indicated for end stage renal disease
Definition
renal replacement therapies
Term
two types of dialysis
Definition
peritoneal dialysis
hemodialysis
Term
dialysis method which uses sterile electrolyte solution that is introduced in the peritoneum and then drained
Definition
peritoneal dialysis
Term
dialysis that involves diffusion, osmosis and ultrafiltration, as well as an artificial semipermeable membrane
Definition
hemodialysis
Term
nocturia means.//
Definition
waking up to void one or more times during the night
Term
polyuria =
Definition
excessive output of urine
Term
oliguria =
Definition
litte urine
Term
diuresis =
Definition
increased urine production
Term
effect of alcohol on urine production
Definition
increases urine production because it inhibits the Antidiuretic Hormone
Term
two hormones that reduce urine output (surgery)
Definition
ADH, aldosterone
Term
effect of anesthetics and narcotics on urine output
Definition
reduce urine output by slowing down glomerular filtration
Term
patient voids 25-6o ml of urine, 2-3 times in an hour but fullness and discomfort and bladder distention still persist. this can indicate..
Definition
urinary retention
Term
three risks of prolongued urinary retention
Definition
1. uti, 2. kidney stones, 3.hyperreflexia
Term
Postvoid residual (PVR)=
Definition
the amount of urine left in the bladder after the patient has voided
Term
how can PVR be assessed
Definition
1. bladder scanner
2. straight/intermittent catheter
Term
most frequent cause of UTI
Definition
indwelling catheter
Term
CAUTI=
Definition
catheter-associated UTI
Term
why do microorganisms grow better in retained urine?
Definition
retained urine becomes more alkaline
Term
pain and burning during urination =
Definition
dysuria
Term
irritated bladder=
Definition
cystitis
Term
incontinence seem more in younger women, often associated with UTIs
Definition
urge incontinence
Term
incontinence seen more in older women due to weaker muscles that control the bladder
Definition
stress incontinence
Term
sudden involuntary contractions of the muscles of the bladder is called...
Definition
hyperactive bladder
Term
basic description of the continent urinary reservoir involving the ileo-cecal valve
Definition
pouch made of distal ileum and proximal colon; stoma must be catherized 4-6 times a day
Term
othotopic neobladder
Definition
artificial bladder pouch
Term
a nephrostomy involves...
Definition
tube placed directly into the renal pelvis
Term
nocturnal enuresis =
Definition
voiding at night, without waking up (usually in children)
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