A nurse is preparing an in-service for a group of nurses about malpractice issues in nursing. Which of the following examples should the nurse include in the teaching as an example of malpractice?

Documenting communication with a provider in the progress notes of the client's medical record.

Placing a yellow bracelet on a client who is at risk for falls.

Administering potassium via iv bolus.

Leaving a nasogastric tube clamped after administering oral medication.