Resting potential Lec 4 Flashcards
1
Q
Resting potential can be calculated using Nernst equation
A
• Ex= [58/z] log [X]o/[X]i
2
Q
[K]
A
140i 20e
3
Q
[Na]
A
5-15i 145e
4
Q
[Cl]
A
4-30i 110e
5
Q
[Ca]
A
0.0001i 1-2e
6
Q
Membrane voltage
A
V=Q/C Q=charge across membrane C=Capacitance -SA and thickness of membrane
7
Q
Na/K ATPase
A
3 Na out 2 K in
8
Q
Direction of current flow
A
Direction of net movement of POSITIVE charge
9
Q
Selective gating of different types of ionic channels generates
A
AP Synaptic potentials Receptor potentials
10
Q
Goldman equation
A
