Structure and Functions of Cells of the Nervous System.docx

The simplest version of a withdrawal reflex involves

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43) The simplest version of a withdrawal reflex involves a A) pain receptor synapsing onto a motor neuron in the spinal cord. B) pain receptor that projects to the thalamus, which then projects to motor cortex and then down to the spinal cord. C) motor neuron within the spinal cord that is spontaneously active. D) sensory neuron in visual cortex that synapses onto a motor neuron in the spinal cord. E) muscle fiber connecting onto an interneuron. Answer: A Rationale: The simplest version of a withdrawal reflex involves a pain receptor synapsing onto a motor neuron in the spinal cord. Page Ref: 29 LO: 2.3 APA:1.1 44) The giant squid axon is specialized for which of the following? 45) Which of the following is inserted into an axon to record electrical potentials? Page Ref: 30 LO: 2.4 APA:2.1 46) The interior of a neuron at rest
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47) The ________ is defined as the difference in electrical charge between the inside and the outside of the axon membrane. A) membrane B) local C) glial D) action E) axon Answer: A Page Ref: 30 LO: 2.4 APA:1.2 48) Movement of the axon membrane potential from -70 mV to -90 mV would be termed a(n)
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  • Summer '17
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