Prioritize with rationale how the nurse will administer the following

Prioritize with rationale how the nurse will administer the following orders ranking 1 most critical to 5 least critical.

• 1 gram of cefazolin IVPB X1
• initiate continuous infusion      of noepinephrine IV
• Peripheral blood cultures
• 1000 ml 0.9% sodium chloride      solution
• initiate central venous      pressure monitoring