Physiology

Question 1

What is the equilibrium potential for:
K+

Answer 1

E K+ ~ -95mV

Question 2

What is the equilibrium potential for:
Na+

Answer 2

E Na+ ~ +70mV

Question 3

What is the equilibrium potential for:
Cl-

Answer 3

E Cl- ~ -76mV

Question 4

What is the equilibrium potential for:
Ca2+

Answer 4

E Ca2+ ~ +125

Question 5

If an ion’s equilibrium potential (Em) becomes less negative (moves towards zero), this results in what?

Answer 5

Depolarization

Question 6

If an ion equilibrium potential (Em) becomes more negative (further from zero), this results in what?

Answer 6

Hyperpolarization