Urinary System (functions)

Question 1

Glommerus/ Bowmanns capsule function

Answer 1

ultrafiltration, forces fluid and smaller molecules out of blood through pores to carry on through the nephron- high pressure

Question 2

Proximal Duct

Answer 2

reabsorbation/ secretion starts
water, chloride, sodium
secretes toxins
some molecules reabsorbed back into blood

Question 3

What tissue makes up the proximal duct?

Answer 3

simple cubodial and columnar epithelium

Question 4

Loop of Henle function

Answer 4

uterine contraction- depends on ECF if reabsrobed or secreted

Question 5

What is the acsending duct permable to?

Answer 5

sodium not water

Question 6

what is the descending duct permable to?

Answer 6

water not sodium

Question 7

What is the net result?

Answer 7

same concentration at end of loop but less volume (h20 and Na reabsorbed)

Question 8

What is the distal convulted tube function?

Answer 8

fine tuning, last reabsorption of h20 and Na
secretes potassium

Question 9

What does the distal convulted tube regulate?

Answer 9

blood pH

Question 10

What occurs when the blood is acidic?

Answer 10

hydrogen excreted into urine

Question 11

What occurs when the blood is alkaline?

Answer 11

kidney retained hydrogen atoms

Question 12

What is the collecting duct function?

Answer 12

final adjustments- ADH determins permability of duct walls to water
retains h20 in blood- concentrates urine

Question 13

Where does the urine travel to after the collecting duct?

Answer 13

renal pelvis then via uterers in hilus

Question 14

Define trigone

Answer 14

valve- preventing backflow