Question

motor pathways
which is a spinal cord pathway or tract that is composed of motor fibers?
fasciculus cuneatus
fasciculus gracilis
vestibulospinal tract
spinothalamic tract

Explanation:

• Fasciculus cuneatus and Fasciculus gracilis: These are ascending (sensory) tracts. They carry proprioceptive and discriminative touch information from the upper and lower limbs respectively.
• Spinothalamic tract: This is also an ascending (sensory) tract. It carries pain, temperature, and crude touch sensations.
• Vestibulospinal tract: This is a descending (motor) tract. It is involved in balance - related postural adjustments.

Answer:

Vestibulospinal tract