Impulses Are Generated and Subsequently Transmitted When

Multiple Choice

Impulses are generated and subsequently transmitted when:

A) calcium quickly exits the cell causing the inside of the cell to become more positively charged.
B) sodium rapidly but briefly moves inside the cells causing the interior to become positively charged.
C) potassium slowly exits the cell causing the inside of the cell to become more negatively charged.
D) potassium slowly moves inside the cells causing the interior to become positively charged.