<qa>  How many marks does the patient mark moderate to severe pain on the numerical rating scale?1. The patient marks moderate to severe pain on the numerical rating scale NRSa horizontal line of 11 marks and 10 intervals each takes number form 0 - 10 0 reading represents no pain, 1- 3 readings represent mild pain, 4- 6 readings represent moderate pain, 7- 10 readings represent severe pain. 