Neurons that develop in the ventral region of the neural tube become:
A. Interneurons and projections neurons.
B. Interneurons and the motor neurons that innervate skeletal muscle.
C. Interneurons of the autonomic nervous system.
D. Both A and B
E. All of the above
ANS: B
Rationale: Neurons in the ventral region of the neural tube proliferate to form interneurons and the motor neurons that innervate skeletal muscles. Neurons in the dorsal tube proliferate to form interneurons and projection neurons, whereas neurons from the neural crest form autonomic neurons.
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