The needle pathway for a GP nerve block is 6 to 8 mm through dense mucosal tissue

Which of the following statements is FALSE about PISS standards?

a. The exact positions of pins and pinholes do not vary for each gas. b. In order to work, the yoke nipple has to seat in the recessed valve outlet. c. They apply only to cylinders using a yoke connection. d. They have six pin positions and 10 possi-ble pin/hole combinations.

Which injury results from trauma to the ligaments and may also involve injury to tendons and muscles?

A) Strain B) Sprain C) Dislocation D) Fracture