This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous Nervous System, Subject name: Physiology
Reflex absent in decorticate animal - 
Select and explain. 
A. Righting reflex, B. Long loop stretch reflex, C. Tonic neck reflex, D. Crossed extensor reflex
B: Long loop stretch reflex
Answer: B: Long loop stretch reflex 
Explanation: Ans. is 'b' i.e., Long loop stretch reflex o Removal of cerebral cortex (decortication) affects long loop strech reflex and hopping & placing reactions.