What additional procedures can be performed beyond standing orders?

The selection of acetaminophen IV/IO and ondansetron IV/IO as procedures that can be performed beyond standing orders is correct because these medications are commonly needed in emergency situations for pain relief and nausea management. Acetaminophen can help alleviate pain during transport to a healthcare facility, while ondansetron is effective in reducing nausea and vomiting, improving the patient's comfort and overall treatment experience.

These interventions can be critical in certain emergency situations, providing symptomatic relief and enhancing patient outcomes while waiting for further medical intervention. They fit within the scope of advanced medication administration protocols that may extend beyond the initial standing orders, which usually serve as basic guidelines for common scenarios.

Peripheral venipuncture, fluid resuscitation, and endotracheal intubation are important procedures but may typically be addressed through standing orders or in specific protocols that guide when and how they should be performed. Their limited scope in this question emphasizes the flexibility of treatment options based on the individual needs of the patient and the situation at hand in emergency care.