Well done! All of these structures are part of the central nervous system, and all except the spinal cord are parts of the brain.

Partly right. Only some of the cranial nerves are sensory or mixed nerves, others are just motor nerves. All the others are spinal nerves, which are mixed nerves containing both motor and sensory fibres.

Wrong! Only some of the cranial nerves are sensory or mixed nerves, others are just motor nerves. All the others are spinal nerves, which are mixed nerves containing both motor and sensory fibres.