Which of the following symptoms would a patient with a lesion (injury)that destroyed the right side of the spinal cord in the region of the upper back be most likely to experience?
A)Loss of both pressure sense and pain in the right foot
B)Loss of both pressure sense and pain in the left foot
C)Loss of pressure sense in the right foot and pain in the left foot
D)Loss of pressure sense in the left foot and pain in the right foot

Question

Quizplus · Accepted Answer

Lesions in the spinal cord can affect sensory pathways differently. The dorsal columns, which carry pressure sense, cross over in the medulla, meaning a lesion on the right would affect pressure sense on the same side (right foot). Pain and temperature pathways cross over near their entry point into the spinal cord, so a lesion on the right would affect pain sensation on the opposite side (left foot).

Which of the Following Symptoms Would a Patient with a Lesion