Which of the Following Statements Is Not True

Which of the following statements is not true?

A) The first step in the sequence of events that produces a sensation is that some form of energy stimulates a receptor cell.
B) Once a coded signal has been created by a receptor it is transmitted without further coding to the brain where it is analyzed further.
C) The complex coded signals generated by sensory receptors change with corresponding changes in the stimulus.
D) All sensory receptors have the ability to change the energy they receive into an electrochemical impulse.