If an intended procedure is discontinued because a patient becomes unstable before the Root Operation is performed, code the Root Operation as:

When explaining the priorities of helmet removal to a candidate patroller, you would stress:

a. sliding the helmet rearward off the head so that you don't hit the patient's nose. b. sliding the fingers under the occiput so that the head doesn't drop backward. c. applying a cervical collar before removing the helmet to help stabilize the head. d. removing the helmet to ensure the patient's proper alignment on a backboard.

Dense bony prominences, shallow vestibules, dilacerations, and ligaments create ________ barriers to the success of anesthesia

Fill in the blank(s) with correct word