The motor nuclei of the facial nerve are situated in the

Correct Answer: D

Rationale: The facial nerve (CN VII) motor nucleus is in the pons, controlling facial muscles. The midbrain houses CN III/IV nuclei, and the cerebellum coordinates movement.

Correct Answer: C

Rationale: The cervical sympathetic trunk lies behind the carotid sheath, ascending along the neck to the superior cervical ganglion.

Correct Answer: D

Rationale: Corneal sensation (V1) synapses in the trigeminal ganglion (option e), the sensory root of CN V.

Correct Answer: D

Rationale: The ophthalmic division (V1) gives branches like lacrimal and supraorbital, some with sympathetic fibers, entering via the superior orbital fissure.

Correct Answer: D

Rationale: Neurons are classified as sensory (afferent, transmitting sensory input to the CNS) and motor (efferent, transmitting signals to muscles/glands). 'Skeletal' is not a neuron type; thus, 'A and B' (sensory and motor) is correct.