# A nurse is programming a high-alert IV medication on a smart infusion pump. Which actions support safe use of the dose-error-reduction software (DERS)? Select all that apply.

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> url: https://mymerci.kr/pages/nclex_q.php?qn_id=372863&lang=en  
> language: en  
> subject: Pharmacological and Parenteral Therapies  
> category: PPT

## Question

A nurse is programming a high-alert IV medication on a smart infusion pump. Which actions support safe use of the dose-error-reduction software (DERS)? Select all that apply.

1

Select the correct care area / drug library entry on the pump before programming the dose so DERS limits apply.

2

Reconfirm pump settings each time the patient is transferred or the bag is changed, not only at the time of initial programming.

3

Select the 'no drug selected' option when programming a high-alert infusion to avoid having to override soft-limit alerts during titration.

4

Perform an independent double-check with another RN at the bedside, comparing the pump program to the order, the medication, the patient, and the line.

5

When the pump issues a soft-limit alert, document the alert and the clinical rationale, then proceed only if the override is appropriate.

## Explanation

Safe smart-pump use: select the correct drug library before programming, independent double-check with the 5+ rights and line trace, document soft-limit overrides with rationale, and reverify settings at every transition. Choice 3 is dangerous — bypassing DERS removes the safety net that detects 10-fold dose errors and is one of the leading patient-safety violations cited by ISMP and TJC.

## In-depth explanation

ISMP data show that DERS catches up to 50% of dose errors before they reach patients. The most common pump-related sentinel event is programming the pump in basic mode and entering a 10-fold dose error — exactly what choice 4 enables. "Soft limit override with rationale" is appropriate; "guardrails off" is not.

## Clinical scenario

The nurse is programming an **IV high-alert medication** (heparin) on a **smart infusion pump** with dose-error-reduction software (DERS). Independent double-check policy applies.

## Key concepts

- **Dose-error-reduction software (DERS)** — Smart-pump feature with hard and soft dose/rate limits drawn from a hospital-specific drug library.
- **Independent double-check** — Two qualified clinicians separately verify the order, drug, dose, route, patient, and line/pump program for high-alert medications.
- **Soft vs hard limit** — Soft limit can be overridden with rationale; hard limit cannot be overridden and requires reprogramming.

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