Final answer:
The tasks that can be delegated to an assistive personnel (AP) are flushing a client's saline lock, ambulating a client who uses a walker, and adding thickener to thin liquids on a client's food tray.
Step-by-step explanation:
Of the given tasks, the following can be delegated to an assistive personnel (AP):
- Flushing a client's saline lock: This is a routine task that can be safely carried out by an AP. The charge nurse should ensure that the AP is trained and competent in this procedure.
- Ambulating a client who uses a walker: Assisting with ambulation is within the scope of an AP's role, as long as the client's condition and mobility allow for safe ambulation.
- Adding thickener to thin liquids on a client's food tray: This task can be safely delegated to an AP, as it does not require advanced medical knowledge.