This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sleep disorders and eating disorders, Subject name: Psychiatry
Not true about somnambulism among the following is 
Select and explain. 
A. Low level motor skill/function is present, B. Sleep walking, C. Disorder of sleep arousal, D. Patient consciousness is not preserved
A: Low level motor skill/function is present
Answer: A: Low level motor skill/function is present 
Explanation: * Somnambulism is an arousal parasomnia consisting of a series of complex behaviours that result in large movements in bed or walking during sleep. * Also called sleep walking, in this condition individual arises from bed and ambulates without fully awakening. * Individuals can engage in a variety of complex behaviours while unconscious. * Sleepwalks characteristically begin toward the end of the first or second slow wave sleep episodes (NREM stage III and IV). * Sleepwalking episodes may range from sitting up and attempting to walk to conducting an involved sequence of semi-purposeful actions Ref:- Kaplan & Sadock's Synopsis of Psychiatry 10th edition; Pg num:- 762