Excitability Of Muscle Fibers Flashcards
1
Q
Are highly specialized, electrically excitable cells
A
Muscle fibers
2
Q
Electrically excitable cells are called ?
A
Polarized
3
Q
The electrical charge difference across the cell membrane of an unstimulated cell is called ?
A
Resting membrane potential
4
Q
Increase in positive charge inside the cell membrane is called ?
A
Depolarization
5
Q
If the depolarization changes the membrane potential to a value called ________, ________ is triggered.
A
Threshold
Action potential
6
Q
Rapid change in charge across the cell membrane
A
Action potential
7
Q
Opening of gated K+ channel starts ______
A
Repolarization
