Renal biology fundamentals

Question 1

Define osmosis

Answer 1

net movement of water through a semi-permeable membrane from a region of higher water potential to a region of lower water potential

Question 2

Define water potential

Answer 2

tendency of water molecules to move out of a solution

Question 3

Define solute/osmotic potential

Answer 3

the component of water potential due to solute molecules, always has a -ve value

Question 4

Define pressure potential

Answer 4

the component of water potential due to hydrostatic pressure
usually a +ve value

Question 5

Define hydrostatic pressure

Answer 5

pressure exerted by a fluid in a closed system

Question 6

Define osmotic pressure

Answer 6

the pressure exerted by the solute particles in a solution that prevents movement of water across a membrane

Question 7

Label the male canine urinary system

Answer 7

Question 8

LAbel the gross anatomy of the kidney

Answer 8

Question 9

Define excretion

Answer 9

the removal of wate products of metabolism from the body

Question 10

What drives filtration in the glomerulus?

Answer 10

hydrostatic pressure of blood