How do the following relate to nervous system development and/or healing? Synaptic plasticity, neuroglia, neurotrophic factors.
What will be an ideal response?
Synaptic plasticity is the changeability of synapses, necessary for development and continued learning in the nervous system. Neuroglia play an important role in healing of damaged neural tissue. Schwann cells in the PNS facilitate regrowth of severed axons. CNS glia seal off and scar a damaged region. Neurotrophic factors are important in maintaining active synapses.
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Which of the following statements about EPSPs is FALSE?
A. They are produced by the opening of ligand-gated sodium channels. B. They depolarize postsynaptic cell membranes. C. They transmit signals over relatively short distances. D. They are always the same amplitude. E. They are able to summate.
An archaeologist finds a pelvis during a dig. She notices the pelvis is wide and shallow, with a small, triangular obturator foramen and ischial spines that do not project into the pelvic outlet. Is this pelvis from a male or female?
A. Female B. Male
The joint between atlas and axis is an example of a ________ joint.
A. condylar B. saddle C. hinge D. pivot E. ball-and-socket
All of the following are functions of membrane receptors EXCEPT __________.
A)chemical signaling B)contact signaling C)G-protein linking D)cell adhesion