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Which of the following practices is recommended concerning the use of an ESU?
a. do not administer oxygen to patients when ESU is being used
b. during head & neck procedures, use the active electrode as far from the oxygen source as possible
c. the ESU may be used without additional risk of patient injury if the patient needs oxygen
d. when administering oxygen in a closed system, drapes should be tented to prevent buildup of oxygen under the drapes
What is b. during head & neck procedures, use the active electrode as far from the oxygen source as possible?