fong III

Question 1

how much cardiac output is delivered to the nephron?

Answer 1

1/5

Question 2

what occurs at the interface between vascular and epithelial structures?

Answer 2

filtration

Question 3

is filtration highly or lowly selective?

Answer 3

highly selective

Question 4

what are the determinants of permeability across the glomerular filtration barrier?

Answer 4

• size
• charge
• shape

Question 5

amount filtrate/amount blood should =?

Answer 5

1

Question 6

the filtration barrier carries what charge?

Answer 6

( - )

Question 7

what selects for shape in during filtration?

Answer 7

endothelial cells and podocytes

Question 8

what does SNGFR stand for?

Answer 8

single nephron glomerular filtration rate

Question 9

what forces govern intravascular /transcellular fluid movements?

Answer 9

Starling forces

Question 10

what pressure builds up as filtration proceeds?

Answer 10

capillary oncotic pressure

Question 11

what are the regulators of glomerular filtration?

Answer 11

1. hormonal
2. autoregulation
3. tuboglomerular feedback

Question 12

what stimulates the renin-angiotensin-aldosterone system?

Answer 12

a drop in blood pressure

Question 13

high tubular transport is measure by what?

Answer 13

macula densa cells

Question 14

what are the units of clearance?

Answer 14

volume/time

Question 15

what are the units for filtered load?

Answer 15

mass/unit time

Question 16

t/f: your clearance will change as you change your concentration of inulin.

Answer 16

false

Question 17

what is the solution to the impracticality of inulin infusion?

Answer 17

measuring creatinine clearance

Question 18

creatinine is a normal product of what?

Answer 18

protein metabolism