Cell Physiology - Action Potential Flashcards
1
Q
(K+)potassium equilibrium potential
A
-
2
Q
Cl- equilibrium potential
A
-
3
Q
Ca++ equilibrium potential
A
+
4
Q
Na+ equilibrium potential
A
+
5
Q
absolute refractory period is due to
A
which channel activation or inactivation?
6
Q
what are 3 ways to get to threshold?
A
- electrical gap junctions
- spread from an already excited region
- chemical synaptic potential
7
Q
what are some examples of iontropic receptors?
A
serotonin GABA *NMDA - has binding site for glutamate and magnesium glycine AMPA Purines
8
Q
muscarinic receptors decrease or increase heart rate?
A
decrease
