​The most widely used pain questionnaire was developed by Ronald Melzack and is known as the

A) ​Melzack and Wall Pain Questionnaire.
B) ​Visual Analog Scale.
C) ​Minnesota Multiphasic Personality Inventory.
D) ​McGill Pain Questionnaire.

McGill Pain Questionnaire

A tool used to measure pain quality and intensity, allowing patients to describe their pain experience through a series of descriptive words and visual analog scales.

Ronald Melzack

A Canadian psychologist known for co-developing the Gate Control Theory of pain, which revolutionized understanding of pain mechanisms.

Pain Questionnaire

A tool designed to assess and quantify the intensity, location, and nature of a patient's pain experience.