Problem: A nurse caring for a client with multiple sclerosis notes that the client has mood swings. Which cause can best explain this? Depression over new diagnosisDepression over new diagnosis Likely a preexisting mental illnessLikely a preexisting mental illness A side effect of treatmentA side effect of treatment Psychological manifestation due to involvement of white matter of cerebral cortexPsychological manifestation due to involvement of white matter of cerebral cortex. Need Assignment Help?