The trim adjustments by MCAS can be disabled by setting the two stabilizer trim cutout switches[1] to cut-out. The recognition that trim is being automatically adjusted outside of their ability to control the aircraft and how to correct it is considered so important to be a "memory item" or something pilots should know how to do without referring to the quick reference handbook.
1. https://aviation.stackexchange.com/questions/58798/why-doesn...