A nurse is reviewing medications for a client who has just been diagnosed with a small bowel obstruction. The nurse should withhold senna prescribed orally based on understanding of which of the following?

A Laxatives are contraindicated in clients who have a small bowel obstruction. B Bulk-forming laxatives such as psyllium should be substituted for this client. D The prescribed medication should be administered via NG route rather than the oral route for this client. C An osmotic laxative, such as magnesium citrate, should be substituted in this client.