False about kernicterus is _______
When blood level of bilirubin is more than 20 mg/dl the capacity of albumin to bind bilirubin is exceeded.in young children before the age of i year, the blood brain barrier is not fully developed and therefore free bilirubin enters the brain .It is deposited in basal ganglia,leading to mental retardation,fits,encephalitis and spasticity. Ref : TEXTBOOK OF BIOCHEMISTRY,D.M.VASUDEVAN,PG NO:252,6th edition
No long term effect
Occurs with bilirubin more than 25 mg %
Deposition in basal ganglion
Opisthotonus
Gastrointestinal tract