A patient with end-stage renal disease (ESRD) is scheduled for hemodialysis. Which of the following nursing interventions should be prioritized before initiating the dialysis session? (Select All that Apply.)

Review the patient's current medication list.

Ensure that the vascular access site is patent.

Administer prescribed antihypertensive medications.

Assess the patient's vital signs.

Obtain a signed consent form for the procedure.

Monitor the patient's urine output.