Membrane Potential

Question 1

Resting membrane potential for nerves

Answer 1

-70mV

Question 2

Resting membrane potential for striated muscle

Answer 2

-90mV

Question 3

Excitable tissues contains leaks channels for which ion?

Answer 3

K+ ions

Question 4

Hyperkalemia causes …

Answer 4

Depolarization of the cell

Question 5

Hypokalemia causes …

Answer 5

Hyperpolarization of the cell

Question 6

Na/K pump

Answer 6

Pumps 3 Na+ out and 2 K+ in (more positive charge is removed compared to negative charge)