Regarding counterirritation, which of the following statements is FALSE?
A)The lock-and-key theory helps explain counterirritation.
B)Applying mild electric currents to the skin can alleviate pain or reduce more agonizing pain.
C)For more extreme pain, an electric current is applied directly to the spinal cord.
D)If you pinch yourself while you are having a tooth filled, you are using counterirritation.

Question

Quizplus · Accepted Answer

The lock-and-key theory is related to enzyme-substrate interaction and neurotransmitter-receptor binding, not to the concept of counterirritation, which involves distracting the nervous system from pain by introducing another, often less severe, stimulus.

Regarding Counterirritation, Which of the Following Statements Is FALSE