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Unformatted text preview: March 10 Bio Which of the following can occur in response to the binding of a neurotransmitter to a receptor on a post-synaptic neuron? hyperpolarization depolarization opening of Na+ channels opening of K+ channels all of the above Every time a neurotransmitter binds to a receptor on a post-synaptic neuron, it causes an action potential to be fired. true false The Nervous System = integrates and coordinates many of the body's activities organization central nervous system (CNS) brain spinal cord peripheral nervous system (PNS) The Central Nervous System the brain and spinal cord receives and integrates incoming information coordinates all voluntary and involuntary responses well-protected bone, membranes, and fluid protect CNS bone skull encases brain vertebral column encloses spinal cord protect from physical trauma meninges three connective tissue membrane layers dura mater (outermost, thickest, most durable), arachnoid mater (inside the dura mater, lots of spider-like extensions), pia mater (most internal, pressing directly against the neurons of the brain and spinal cord, thinnest, most fragile) stabilize and protect = from bruising (hitting the hard bones)...
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- Spring '08