You Have Been Called for a Male Patient Who Began

You have been called for a male patient who began complaining of chest pain while receiving hemodialysis. Assessment shows no threats to the airway, breathing, or circulation. His vital signs and blood sugar are normal. Of the following questions, which should you ask first?

A) "Was the dialysis session completed?"
B) "Has he ever has peritoneal dialysis?"
C) "How many sessions does he have each week?"
D) "When did you eat or drink last?"