Transnasal, or nasogastric (ng) intubation is the process of inserting a thin plastic tube through the nostrils, down to the esophagus up until the stomach. Once it is already in place, feeding and medicinal administration can be done.
Nasogastric or transnasal intubation is commonly used for patients who have neck and facial injuries, patients who have neck or facial surgery, those who are in need of mechanical ventilator to breathe, patients who have an intestinal cancer, obstruction or blockage, comatose patients, patients who are experiencing dysphagia or difficulty in swallowing and patients who have poor appetite.
Therefore, the answer is c. a middle-aged man with a functional gastrointestinal (gi) tract, poor appetite, and thermal injuries