<prompt> Which of the following reflexes is not present at bihAsymmetric Tonic Neck ReflexMoros ReflexSymmetric tonic neck reflexCrossed extensor reflex  <response>: Symmetric tonic neck reflex appears by 4-6 months and disappears by 8 - 12 months. Moro;s reflex - hand opening appears by 28 wks, extension and abduction of the upper extremities by 32 wks and anterior flexion by 37 wks of intrauterine life and disappears by 3 - 6 months after bih. Asymmetric tonic neck reflex appears by 35 wks of intrauterine life and disappears by 4 - 6 months after bih. Crossed extension response begins at 28 weeks gestation and disappears by 1-2 month. Reference : page 142 Ghai Essential Pediatrics 8th edition and page 15 Paediatric Clinical examination A Santhosh Kumar 