Places on the cerebral cortex where integration occurs are

Correct Answer: B

Rationale: Association areas integrate sensory and motor information for higher functions like reasoning and memory.

Correct Answer: C

Rationale: The vagus nerve (CN X) serves internal organs (e.g., heart, lungs, gut) with autonomic fibers. Others are motor/sensory for head/neck.

Correct Answer: D

Rationale: A reflex is an involuntary, automatic response to a stimulus, often autonomic (e.g., pupil constriction).

Correct Answer: B

Rationale: The neuron is the primary structural and functional unit of the nervous system, responsible for signal transmission. Neurotransmitters are chemicals, neuroglia support, and 'nerew' is a typo for nerve.

Correct Answer: C

Rationale: Neurotransmitters (e.g., dopamine) are chemicals released at synapses for neuron communication. Hormones are endocrine, antibodies immune, and enzymes catalyze.