NURSING III: FON - Ch 45 Urinary Elimination Flashcards
Kidneys > Ureters > Bladder > Urethra
Kidneys remove wastes from the (1)__ to form (2)__.
- blood
2. urine
Kidneys filter (1)__ __ of metabolism that collect in the (2)__.
- waste products
2. blood
Functional unit of the kidney; forms urine
nephron
The nephron is composed of the (6):
- glomerulus
- Bowman’s capsule
- Proximal convoluted tubule
- Loop of Henle
- Distal tubule
- Collecting duct
Initial site of filtration of the blood; the beginning of urine formation
glomerulus
Glomerular capillaries permit filtration of (6) into the Bowman’s Capsule.
- water
- glucose
- amino acids
- urea
- creatinine
- major electrolytes
The presence of LARGE PROTEINS IN THE URINE
proteinuria
Proteinuria is a sign of __ __.
glomerular injury
Kidneys play a key role in __ and __ balance.
fluid and electrolyte
Normal adult urine output averages ___ mL/day.
1200 - 1500 mL/day
An output of less than ___ indicates possible circulatory, blood volume, or renal alterations.
30 mL/hr
An output of less than 30 ml/hr indicates possible ___ alterations
- circulatory
- blood volume, or
- renal
Substances produced by kidneys are responsible for maintaining normal (1)__ __, by producing (2)__.
- RBC volume
2. erythropoietin
Pts with chronic kidney conditions cannot produce sufficient quantities of (1)__; therefore they are prone to (2)__.
- erythropoietin
2. anemia
Renal hormones affect __ __ regulation.
blood pressure
Renal ischemia
decreased blood supply
Kidneys produce a substance that converts vitamin D into its active form. This affects __ and __ regulation.
calcium and phosphate regulation (prone to renal bone disease)
Urination; act of passing or expelling urine voluntarily through the urethra
micturition
Brain structures that influence bladder function (4); they inhibit the urge to void or allow voiding.
- cortex
- thalamus
- hypothalamus
- brainstem
Bladder capacity generally ranges from ____ mL of urine.
600 - 1000 mL
An adult normally voids every ____ hours
2-4 hours