Urinary Test Flashcards
urinary system structures
2 kidneys
2 ureters
one bladder
one urethra
another name for urinary system
excretory system
2 functions of the kidneys
filters blood
regulates blood pressure
position of the kidneys
retroperitoneal
upper pole more posterior than lower pole
right kidney slightly lower than left
renal capsule
outer covering
renal cortex
outer tissue
renal medulla
inner tissue
arranged in pyramids
extensions of cortex between the pyramids
renal columns
an area of an organ where things enter and exit
hilum
basic structural and functional unit of a kidney
nephron
Another name for glomerular capsule
bowman’s capsule
cluster of capillaries
located within the glomerular capsule
the actual filter of the kidneys
glomerulus
blood ARRIVES via this arteriole
afferent arteriole
blood EXITS via this arteriole
efferent arteriole
Another name for nephron loop
loop of henle
parts of the renal tubule
proximal convoluted tubule
nephron loop
distal convoluted tubule
collecting duct
opening between the collecting ducts and minor calyces
renal papilla
cup shaped tubes where the collecting ducts empty into
minor calyces
minor calyces unite to form these
major calyces
major calyces unite to form this
renal pelvis
tubes that convey urine from kidneys to the bladder
ureters
stores urine
bladder
triangular area between the three orifices (r & l ureters and urethra)
trigone
blood in the urine
hematuria
a smaller than normal amount of urine production
oliguria
painful urination
dysuria
presence of excessive amounts of urea and nitrogen in the blood (hence the BUN blood test)
uremia
surgical removal of a kidney
nephrectomy
absence of an organ
agenesis
abnormal development accounts for small size
hypoplasia
diminished size as a result of wasting away
atrophy
an increase in size because one kidney must compensate for the absence or lack of function of the other
compensatory hypertrophy
rotated kidney
malrotation
abnormally positioned kidneys
ectopic kidney
lower poles are joined
horseshoe kidney
kidney with two ureters
duplication
telescoping of the distal ureter into the bladder
ureterocele
autoimmune disease characterized by inflammation of the glomeruli of the kidney
glomerulonephritis
inflammation of the kidney due to bacteria
pyelonephritis
calyceal clubbing
radiographic appearance of chronic pyelonephritis
spread by way of the blood system (circulatory system) (cardiovascular system)
hematogenous spread
inflammation of the urinary bladder due to bacteria
bladder infection (UTI urinary tract infection)
most common nosocomial infection
cystitis
calculi
kidney stones
increased level of calcium in the blood
hypercalcemia
overactivity of the parathyroid gland
hyperparathyroidism
a stone that completely fills the renal pelvis
staghorn calculus
medication to dissolve a kidney stone
chmolysis
accessed via needle puncture of the skin
percutaneous
shock waves to break up a kidney stone
lithotripsy
scope placed through the urethra and bladder to access the ureters to grasp a kidney stone
cystoscopic retrieval of a kidney stone
a calculus in a vein
common in the pelvic brim area
phlebolith
narrowing of the urethra
urethral stricture
dilated kidney
hydronephrosis
the functional parts of the kidney; the nephrons
kidney parenchyma
smooth-walled, fluid filled
simple cyst
inherited disease characterized by the formation of many cysts withing the kidney
mottled or swiss cheese radiographic appearance
polycystic kidney disease
nephroblastoma
most common childhood kidney neoplasm
wilms tumor
a blood clot inside the renal vein
renal vein thrombosis
the failure of the kidneys to filter blood
renal failure
sudden onset of kidney failure
acute renal failure
renal failure that persists over a long period of time
chronic renal failure
glomerular filtration rate
normal is 100 ml/min
GFR
decrease in blood flow to the kidneys (various causes)
various diseases of the kidneys
toxic substances to the kidneys
causes of acute renal failure
cause of chronic renal failure
diabetes & high blood pressure
if kidney damage is severe enough, what will a patient have to begin?
dialysis
the filtering of blood by a machine instead of the kidney
dialysis
3 types of vascular access for hemodialysis
venous catheter
AV graft
AV fistula
describe the vascular access for hemodialysis
the site on your body where blood will be removed and returned during dialysis
surgically created connection of an artery and a vein
best vascular access option for hemodialysis
AV fistula
surgically connecting an artery and vein via an artificial tube
AV graft
temporary vascular access for hemodialysis
venous catheter for hemodialysis
Absence of a kidney
renal agenesis
Where would a kidney be for an ectopic kidney?
pelvis and chest.
Painful urination
dysuria
Pus in the urine
pyuria
A severe form of pyelonephritis exists is characterized by what?
gas-forming bacteria
80% of renal stones are what?
radiopague
What test best shows kidney stones?
CT scan
An IVP for a kidney stone may be have to be prolonged for 48 hours why after contrast is administered why?
to determine the precise site of obstruction