U
What is the main job of the urinary system?
filtration
What is the functional unit of the kidney?
The nephron
What blood vessel carries blood away from a kidney?
renal vein
What connects each kidney to the bladder?
ureters
Dark yellow urine is indicative of what?
dehydration
Filtration will slow down if you have low _____.
blood pressure
What do you have 1 million of?
nephrons per kidney
20-25 times per day what happens?
blood passes through kidneys
1.5 L probably refers to what?
How much urine is typically produced daily
What is the capillary tuft that filters blood?
glomerulus
where does reabsorption occur?
tubules, any tubules
What urinary system part differs between males and females?
urethra
Kidneys produce renin. What does it regulate?
blood pressure
Name an electrolyte that the urinary system regulates
Na+ K+ Cl- Ca2+ CO32-
Kidneys produce a hormone called erythropoietin. What does it influence?
Red blood cell formation
What vitamin is activated by the kidney?
vitamin D
The renal cortex is surrounded by this covering
Renal capsule
Where are the nephrons found?
Cortex and/or medulla are correct
A. reabsorption & secretion
B. urine formation
C. filtration
C, A, B
A. Bladder
B. Collecting duct
C. Renal Pelvis
D. Ureter
B, C, D, A
What is the difference between blue and red blood in most kidney diagrams?
red is unfiltered, blue is filtered.
In what process are substances moving from peritubular capillaries into the tubules?
Secretion
What is the liquid in the Bowman's capsule called?
filtrate
In what process are substances moving from the tubules into the peritubular capillaries?
Reabsorption
Name the urine component that is a waste product of protein breakdown.
urea
What structure might you find at the hilus of the kidney?
ureter, renal vein, or renal artery
What blood vessel leaves the glomerulus and leads to the peritubular capillaries?
efferent arteriole
What is the renal corpuscle?
The glomerulus and the Bowman's capsule
Antidiuretic hormone from the pituitary gland communicates with the kidneys about what?
water
The kidneys are located ___ to the spine and ___ to the quadratus lumborum muscles.
lateral, anterior.