Low intermittent suction of gastric contents is not generally used for which of the following purposes?

Low intermittent suction of gastric contents is primarily utilized in clinical settings for specific purposes such as decompressing the stomach, reducing gastric secretions, and obtaining gastric samples. For these tasks, the technique helps manage the amount of fluid or gas in the stomach, thus aiding in patient comfort and diagnosis.

In the context of controlling bleeding, low intermittent suction is typically not employed. Instead, other methods and interventions are more appropriate for managing hemorrhage. This may include direct approaches to control the source of bleeding, such as surgical intervention or cauterization, rather than suction, which does not address the underlying cause of bleeding in the gastrointestinal tract. Therefore, while suction can be critical for various other indications, it is not effective for controlling bleeding, making it the correct answer in this scenario.