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: Gynaecology & Obstetrics
Acute bilirubin encephalopathy is characterized by all except 
Select and explain. 
A. Poor feeding, B. Lethargy, C. Hypertonia, D. Abnormal auditory evoked responses
C: Hypertonia
Answer: C: Hypertonia 
Explanation: Acute bilirubin encephalopathy is characterized by hypotonia.