Test #1: Ch. 16

Question 1

the resting membrane is said to be _______

Answer 1

polarized

Question 2

when the membrane __________, positive charges move from outside to inside.

Answer 2

depolarizes

Question 3

______ is accomplished by pumping positively charged ions out of the cell.

Answer 3

repolarization

Question 4

_______ initiates a a muscle action potential which in turn triggers the release of calcium from the sarcoplasmic reticulum of the muscle.

Answer 4

depolarization