On Examination of a Local Anesthetic Cartridge,you Notice That the Rubber

Multiple Choice

On examination of a local anesthetic cartridge,you notice that the rubber stopper is extruded.What is the most likely cause of this irregularity?

A) Diffusion of an unknown liquid has occurred.
B) The cartridge was stored above the recommended temperature.
C) The contents of the cartridge have expired.
D) Both A and B are likely causes.