Monica Is Going to the Dentist to Get Her First

Monica is going to the dentist to get her first filling. She tries to be responsible about all medications, so before he numbs her mouth, she asks the dentist to explain how Novocain works. The dentist tellsMonica that Novocain creates numbness and prevents pain by __________ in the target area.

A) telling glial cells to move neurons out of the way
B) dissolving the sodium ions
C) creating extra potassium ions
D) stopping action potentials from occurring