Final answer:
To avoid aspiration in a vomiting post-op client, it is recommended to elevate the head of the bed to take advantage of gravity and prevent backflow of stomach contents into the esophagus.
Step-by-step explanation:
To avoid aspiration in a vomiting post-op client, it is recommended to elevate the head of the bed. By elevating the head of the bed, gravity can help prevent the backflow of stomach contents into the esophagus. This can reduce the risk of aspiration, which is when vomit enters the lungs and can cause serious complications like pneumonia. Keeping the head flat or turning the client to the right side may not be as effective in preventing aspiration as elevating the head.