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: Physiology
Rubrospinal tract influences - 
Select and explain. 
A. Posture and balance, B. Valuntary activity, C. Vestibuloocular stimuli, D. All of the above
B: Valuntary activity
Answer: B: Valuntary activity 
Explanation: Ans. is'b' i.e., Voluntary activityActions of extrapyramidal systemsReticulospinal (Rubrospinal tracts -+ voluntary and reflex (involuntary) activity.