lecture 2 Flashcards
1
Q
3 methods of excretion of digested residue
A
exhalation (H2O, CO2), sweat (H2O, Na+), urine (H2O, Na+, K+, H+, urea)
2
Q
main function of kidneys
A
produce urine
3
Q
4 stages of urine production
A
filtration of blood plasma, selective reabsorption of contents to be retaines, tubular secretion of some components, concentration of urine as necessary
4
Q
how is the kidney sensitive to body needs
A
hormones, nerves
5
Q
what do hormones include
A
renin, erythropoietin, 1,25-OH vitamin D
6
Q
cortex is granular (nephrons); medulla is striated (straight tubules)
A
reduce blood supply to kidneys if renal failure
7
Q
where does medullary collecting duct drain into
A
minor calyx at papilla of medullary pyramid
8
Q
what epithelium do minor and major calyces, and pelvis, have
A
urinary
