Final answer:
When an order to force fluids is given, it means that certain actions need to be taken to ensure the client is adequately hydrated. Giving liquids through a nasogastric tube is a method commonly used in such situations.
Step-by-step explanation:
When an order to force fluids is given, it means that certain actions need to be taken to ensure the client is adequately hydrated. The correct answer is C. giving liquids through a nasogastric tube. This involves delivering fluids directly into the client's stomach using a tube that is inserted through the nose and into the stomach. It is a method commonly used when a client is unable to drink fluids orally or needs precise control over their fluid intake.