In a hospital setting which of the following presents the possibility of being the source of an arc flash a. electrocautery device b. defibrillator c. muscle stimulation electrodes d. patient grounding pad

 The answer to this question would be Electrocautery Device
In a hospital, the device that can cause arc flash would be electrocautery device and circuit breaker. In fact, the electrocautery device uses the arc flash principle to work. The arc flash causing burns that surgeon use to clot bleeding in surgery or to destroy a tissue.