This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Which is not a neurotic defense mechanism \nSelect and explain. \nA. Isolation, B. Repression, C. Reaction formation, D. Undoing', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Isolation Defence mechanismsNarissistic/PsychoticImmatureNeuroticMatureo Denialo Distortiono Projectiono Blockingo lntrojectiono Passive - Aggressive behaviouro Acting outo Hypochondriasiso Regressiono Schizoid fantasyo Somatizationo Controllingo Displacemento Inhibitiono Extemalizationo Intel!ectualizationo Rationalizationo Dissociationo Reaction formationo Repressiono Sexualizationo Conversiono Undoingo Inhibition (Aim inhibition)o Asceticismo Suppressiono Altruismo Sublimationo Humoro Antipation", 'role': 'assistant'}]