The Nurse Clarifies the Basics of the Gate Theory of Pain

The nurse clarifies the basics of the gate theory of pain control as:

A) pain is perceived as opening a "gate" to pain symptoms.
B) the "gate" can be closed to pain by the use of nonpainful stimuli.
C) the "gate" swings back and forth, first allowing pain, then blocking it.
D) the patient can be trained to close the "gate" to pain.