(Solved): Question 18 A patient shows the Babinski sign in their left foot associated with severe loss of vo ...

Question 18 A patient shows the Babinski sign in their left foot associated with severe loss of voluntary control of the left leg. The right foot and leg show normal plantar reflex and voluntary behaviour. The attending physician suspects that the corticospinal tract has been damage. Where along this tract could the damage have occurred that fits the symptoms seen? A Right lateral spinal cord above lumbar level B Right lateral motor cortex Left medial motor cortex (U) D Left lateral motor cortex Left ventromedial spinal cord above lumbar level Question 19 A Corticospinal tract is not activated in infants <9 months old B Corticospinal tract only starts to form post-natally Corticospinal tract is present but needs to demyelinate Corticospinal tract is present but function inhibited by other pathways Corticospinal tract is present but poorly myelination 2 Points The Babinski sign can been seen in infants (<9 months old) before being replaced by a normal plantar reflex. What is the most likely explanation for this? 2 Points D Jurassic reflex E Jendrassik extension Question 20 A patient is asked to do a 'monkey grip' to influence stretch reflex behaviour. What is the proper technical name for the monkey grip? A Jendrassik reflex (B) Jurassic manoeuvre Jendrassik manoeuv 2 Points