Final answer:
The expected outcome that best evaluates the presurgical goal of understanding the purpose of coughing and deep breathing is for the client to be capable of restating the purpose in their own words.
Step-by-step explanation:
The expected outcome that best evaluates the presurgical goal of, 'Client will understand purpose of coughing and deep breathing within 4 hours of returning to room' is:
3. Client is capable of restating the purpose of coughing and deep breathing in own words
This outcome reflects the goal of client understanding the purpose of coughing and deep breathing. By restating the purpose in their own words, the client demonstrates comprehension and can apply this understanding to their post-surgical recovery. Options 1, 2, and 4 do not directly evaluate the client's understanding of the purpose.