This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Pediatrics
All the following are Causes of hypotonia in a 2 year old child except 
Select and explain. 
A. Trisomy 21, B. Spinal muscular atrophy, C. Congenital muscular dystrophy, D. Cerebral Palsy
D: Cerebral Palsy
Answer: D: Cerebral Palsy 
Explanation: All the above causes presents exclusively with hypotonia (either central or peripheral), except cerebral palsy (CP). Cerebral palsy commonly presents with hypeonia, though hypotonic CP is a known entity; its occurrence is uncommon than hypeonic CP.