Answer:
3. Frontal Lobe
Explanation:
Based on the information provided within the question it can be said that in this scenario the client is diagnosed with brain tumor which the nurse indicates as being located in the Frontal Lobe. The nurse knows this immediately due to the fact that the Frontal Lobe is the part of the brain that concerns personality, behavior, emotions, and intellectual function. Since the client has undergone personality changes then it can be deduced that the tumor is located in the Frontal Lobe.
