Re: Nervous System Development - Learning Objectives and Study Questions

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: : : Nervous System Development - Learning Objectives and Study Questions : : : True/False : : : True/False - October 10, 2011 : : : 1. The notochord has a key role in activating differentiation of the the nervous system. : : T-the notocord induces growth of the neural plate : Agree. : : : 2. The brain develops in relation to the first 5 somites. : : T-cranial to the first 5 somites, the brain develops : Agree. : : : 3. The dorsal roots are derived from the neural crest. : : T-if you are asking in relation to the spinal cord, it carries afferent signals : Agree. : : : 4. Postpartum brain growth is mostly due to neuronal proliferation. : : F-almost all neuronal proliferation finishes by birth : Agree. Myelination : : : 5. The optic nerve is, arguably, an extension of the central nervous system. : : T : Agree. : : : 6. The eye develops as a structure of the diencephalon. : : T-one of the tissues that contributes to its development, as well as the outpouching : Agree. : : : 7. The optic stalk is a precurser of the optic nerve. : : T : Agree. : : : 8. Surface ectoderm and neural crest cells combine to form the cornea. : : T : Agree. : : : 9. The peripheral nervous system is mostly from neural crest cells. : : T : Agree. : : : 10. The parasympathetic ganglia of the head are derived from neural crest cells. : : T? : Agree. : : : 11. The cranial nerve sensory ganglia are derived from neural crest cells. : : T : Agree. : : : 12. The sympathetic postganglionic cell bodies are in ganglia derived from the neural crest cells. : : T-neurons derived from neural crest cells with bodies that lie in paravertebral or prevertebral ganglia : Agree.

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