A nurse is caring for a client who has a nasogastric (NG) tube in place for gastric decompression and notes that the tube is not draining. Which of the following steps should the nurse take first?

Choice A reason: Repositioning the NG tube is a later step; checking suction function is first, as equipment failure is a common cause of no drainage. Assuming repositioning is initial risks delaying simple fixes, potentially prolonging discomfort, critical to avoid in ensuring effective gastric decompression. Choice B reason: Injecting air and aspirating is a troubleshooting step but follows checking suction equipment, which may resolve no drainage. Assuming air injection is first risks unnecessary intervention, potentially causing discomfort, critical to prevent in ensuring efficient NG tube management for gastric decompression. Choice C reason: Instilling irrigation solution is a later step after confirming suction function, as equipment issues are more common. Assuming irrigation is first risks clogging or discomfort, critical to avoid in ensuring proper NG tube function and effective gastric decompression in clients with non-draining tubes. Choice D reason: Checking suction equipment function is the first step for a non-draining NG tube, as equipment failure is a common issue, easily corrected. This ensures effective decompression, critical for preventing gastric distention, supporting client comfort, and guiding further troubleshooting in managing NG tube care.