Active transport and the sodium pump Flashcards
1
Q
What are the movements of sodium and potassium in the pump?
A
3 sodium ion move out of the cell and 2 potassium ions move in
2
Q
What is the therapeutic index?
A
the dose producing toxicity in 50% of the population
3
Q
When does calcium depend on sodium for transport?
A
secondary active counter transport
4
Q
What is GLUT1 used for?
A
basal uptake in the placenta and brain
5
Q
What is GLUT2 used for?
A
transepithelial transport, beta cells
6
Q
What is GLUT3 used for?
A
basal uptake in the brain
7
Q
What is GLUT4 used for?
A
skeletal muscle
8
Q
What is GLUT5 used for?
A
intestinal adsorption of fructose
