Multiple choice

A 63 year old woman is unsteady and walks with a high stepping gait in a dark room. The most likely neuroanatomical basis for her problem is

  1. frontal lobes

  2. somatic system

  3. spinal cord

  4. cerebellum

  5. spinal nerves
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Proprioceptive loss (Romberg's sign, loss of balance in the dark) could be due to a peripheral neuropathy or a disease of the dorsal columns of the spinal cord. However, the presence of increased tone in the lower limbs suggests that the spinal cord is the site of disease here. 

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