The fasciculus cuneatus is present only from T6 and above. At the L4 spinal cord segment, the posterior column contains only the fasciculus gracilis, so the cuneatus would be spared. Spinal-cord dorsal column anatomy supports this T6 division.
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Ans??
37. D) Forceful trauma to flexed knee
This is classically a mechanism of PCL injury (dashboard injury). ACL injury commonly occurs with twisting/external rotation of a planted foot, hyperextension, or valgus stress.
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