Answer:
placing the client in the side lying position in bed
Explanation:
Based on the scenario being described within the question it can be said that the the most appropriate nursing action would be placing the client in the side lying position in bed. This is the best action in this scenario as it will help the individual drain the secretions that may otherwise cause aspiration pneumonia which is a lung infection that develops after you inhale liquids or vomit into your lungs.