Final answer:
Option 4 is the correct nurse's response, as it acknowledges the patient's memory issues and associated frustration due to a head injury, fitting the restatement technique.
Step-by-step explanation:
The student's question is option 4: The patient is experiencing frustration due to memory problems caused by the head injury. This response accurately showcases the restatement of the patient's feelings as well as the cause of the problem as described in the initial statement.
An explanation for why option 4 is the correct answer: Restatement in nursing is a communication technique where the nurse acknowledges the patient's feelings and concerns by repeating back part of what the patient has said, often in a different way or with a slight expansion to clarify the statement. When the patient expresses trouble with memory and frustration following a head injury, restating this as 'experiencing frustration due to memory problems caused by the head injury' captures both the specific problem they are facing (memory issues) and the emotional impact it is having (frustration), without changing the original meaning. This response validates the patient's experience and opens the floor for further conversation and assessment.