Question: A mental health nurse is caring for a client with schizophrenia. The nurse observes the client laughing about the recent death of the client's parent, then crying, when the family delivers the news. What will the nurse explain to the family regarding this behavior? "The client feels happy to see you but sad with the news." "A labile mood is seen with this type of reaction." "This behavior displays the intensity of the mood." "The client is displaying elements of euphoria."