27 Urinary Elimination Flashcards
(90 cards)
What is urine formed by?
Filtration
Reabsorption
Secretion
BUN
Blood Urea Nitrogen
Biproduct of protein metabolism
BUN
Produce erythropoietin, secrete renin, activate vit D
kidneys
GFR
glomerular filtration rate
where does filtration occur?
glomeruli
micturition
urination
What do the kidneys do?
regulate blood volume regulate blood pressure acid-base volume electrolyte levels secretes hydrogen ions
application of gentle pressure to bladder
credes maneuver
bedwetting
enuresis
how much urine does the bladder usually hold?
200-450mL
voiding
urination
what does voiding and control of urine require?
functioning bladder and urethra, brain, spinal cord, nerves
how much of cardiac output do the kidneys get?
20-25%
brain tells ______ ________ to relax
external sphincter
no voluntary control
internal sphincter
when the detrusor muscle relaxes
bladder fills with urine again
how long is the female urethra
3-4in
how long is the male urethra
8in
can you palpate and empty bladder?
no
how much urine is produced per hour?
50-60mL
how much urine is produced daily?
1500mL
what is the normal color of urine?
pale to yellow
how many wet diapers do infants have per day
8-10