This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basics of Psychiatry, Subject name: Psychiatry
Astasia-abasia is seen in patients with which of the following disorder? 
Select and explain. 
A. Illness anxiety disorder, B. Conversion disorder, C. Somatic symptom disorder, D. Depression
B: Conversion disorder
Answer: B: Conversion disorder 
Explanation: Astasia-abasia Seen in a Conversion disorder(FunctionalNeurological Symptom Disorder) Gait- Ataxic, staggering Movements - Gross, irregular, jerky truncal Waving and thrashing arm movements Fall is rarely seen