An 18-month-old is admitted to the emergency department in hypovolemic shock. What would be the correct order of nursing interventions (assuming MD orders are written)?

Oxygen, IV fluid bolus of 20 ml/kg, medications to support cardiac function

IV at 2X maintenance, oxygen, medication to support cardiac function

Oxygen, IV fluid bolus of 10 ml/kg, medication to support cardiac function.

Oxygen, medication to support cardiac function, IV fluid bolus of 20 ml/kg