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Cranial Nerve Questions

Q. A woman presented with the symptoms of

(a) deafness, vertigo, and double vision (diplopia). She also suffered from severe headaches, which were increasing in frequency and severity. During the headache attacks she vomited several times. She was found to have (b) right internal strabismus and there were a (c) flattening of the skin furrows on the right side of her forehead and a drooping of the right corner of her mouth. There was evidence of hearing impairment in the right side and (d) sensory impairment on the right side of the face.

Explain the signs and symptoms that are indicated by (a) through (d) and determine the location of the lesion.

Solution Preview

Q. A woman presented with the symptoms of (a) deafness, vertigo, and double vision (diplopia). She also suffered from severe headaches, which were increasing in frequency and severity. During the headache attacks she vomited several times. She was found to have (b) right internal strabismus and there were a (c) flattening of the skin furrows on the right side of her forehead and a drooping of the right corner of her mouth. There was evidence of hearing impairment in the right side and (d) sensory impairment on the right side of the face.

Explain the signs and symptoms that are indicated by:

(a) The deafness and vertigo would be caused by a lesion affecting CN 8 (the vestibulocochlear nerve). The double vision could be caused by a problem with any of the cranial nerves controlling ...

Solution Summary

The solution examines all of the neurological symptoms described in the question to determine where the presumed lesion is located in the brain.

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