Question

question 89
1 pts
in doing a physical exam on mary you noted that when you do the babinski reflex there is an upward rise of her toes. this suggests that there is a lesion above:
○ l4
○ l5
○ s1
○ s4
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Explanation:

The Babinski reflex is a neurological test. An abnormal Babinski reflex (toes going upward) indicates an upper motor neuron lesion. The upper motor neuron pathways relevant to this reflex are above the level of L4. Lesions above L4 can disrupt the normal inhibitory control over the reflex, leading to the abnormal response.

Answer:

L4