FAST Action Potential Flashcards
(23 cards)
1
Q
Ungated K+ in Phase 0?
A
open
2
Q
VG Na+ in Phase 0?
A
open
3
Q
VG Ca2+ in Phase 0?
A
open slowly
4
Q
ik1 in phase 0?
A
begin to close
5
Q
ik in phase 0?
A
open slowly
6
Q
maximum conductance in phase 0?
A
Na+
7
Q
Ungated K+ in Phase 1?
A
open
8
Q
VG Na+ in Phase 1?
A
closed
9
Q
VG Ca2+ in Phase 2?
A
open
10
Q
ik1 in phase 2?
A
closed
11
Q
ik in phase 2?
A
open
12
Q
maximum conductance in phase 2?
A
Ca2+
13
Q
minimum conductance in phase 2?
A
K+
14
Q
Ungated K+ in Phase 2?
A
open
15
Q
Ungated K+ in Phase 3?
A
open
16
Q
ik1 in phase 3?
A
open
17
Q
ik in phase 3?
A
open
18
Q
Ungated K+ in Phase 4?
A
open
19
Q
VG Na+ in Phase 4?
A
closed
20
Q
VG Ca2+ in Phase 4?
A
closed
21
Q
ik1 in phase 4?
A
open
22
Q
ik in phase 4?
A
slowly closing
23
Q
maximum conductance in phase 4?
A
K+
