Assessment of Kindey and Urinary Functon ch 47 Flashcards
What are the key functions of the renal and urinary system?
* Regulate ___________ & _____________
* Elimination of ___________ products
* Provide hormones involved in______ production, ______ metabolism, and control of _____
Fluid and electrolytes
Waste
RBC, bone, BP
What are the structures of the urinary system?
Kidneys
Ureters
Bladder
Urethra
The Medulla is the _________ portion of the kidney
inner
The Medulla contains the ______ __ ________, the _____ _____, and the _____________ _____
Loop of Henle, vasa recta, and collecting ducts
The Cortex is the __________ portion of the kidney
outer
The cortex of the kidney contains the _____________
nephrons
___________ is where urine is made!
Nephron
Nephrons are made of__ basic components:
The ______________: the filtering element of an enclosed CAPILLARY network
The _________ _________ and an attached tubule
2
Glomerulus
Bowman’s Capsule
The beginning of urine creation occurs in the ____________ _________
Bowman’s Capsule
Capsule permeability allows ________ molecules to pass through but ________ the passage of ______ molecules like blood cells and albumin
small
limits
large
urine formation is a ___ step process
3
What are the 3 steps in urine formation
- Glomerular filtration
- Tubular Reabsorption
- Tubular Secretion
Protein and glucose should always be found in the urine (TRUE OR FALSE)
FALSE
________ are long, fibromuscular tubes that connect the kidneys to the bladder
ureters
__________ ___________ is a distensible muscular sac located behind the pubic bone
Urinary Bladder
____________ arises from the bladder to allow urine to exit the body
Urethra
Why do we never want anything going backwards in the bladder?
Infection
The usual capacity of the bladder is approx. _____mL, but it can distend to hold up to ____L
500
1
The bladder can contract under ___________ and _____________ control
voluntary and involuntary
_________________ ___________ is an angled area of bladder neck that prevents _________ movement of urine in the ureters and kidneys
Urethrovesicle Junction
Backward
Bladder contains bladder neck and anterior urethra have ________ that help maintain _____________
sphincters
continence
The kidneys receive around ____% of total cardiac output
25
Blood TO the kidney - renal _______ arises from the abdominal ______, branching into__________, arterioles branch to form a _____________
Blood LEAVING the kidney - blood leaves the ___________, enters an ________ arteriole , returns into _________ vena cava
artery, aorta, arterioles, glomerulus
glomerulus, efferent , inferior
Why does blood flow matter to filtration?
* to maintain ____________ pressure in the _____________ (hydrostatic pressure)
* Can be impacted by decreased ___ or increased _________ in the renal tubules from ___________
consistent, glomerulus
BP, pressure, obstruction
