The Kideys At Work

Question 1

The kidney functions (7!)

Answer 1

Elimination nitrogenous wastes
Elimination drug metabolites 
Electrolyte balance 
Acid-base balance 
Blood pressure control 
Activation vitamin D
Erythropoiesis

Question 2

BUN

Answer 2

Blood Urea Nitrogen

Measure of nitrogenous wastes in blood

Question 3

Drug excretion

Answer 3

Water soluble» kidney

Fat soluble» faeces

Question 4

Acid base balance

Answer 4

Two methods

1. buffering
   - rapid and short term
   - mops up excess H+
   - needs replenishing
2. compensation
   - slower but long term
   - gets rid of excess acid/base
   - Involves lungs and kidneys
   - replenishes buffers