Which of the following occurs when a neuron is resting? Multiple Choice Its membrane's ion channels are closed. It transmits information. The fluid outside the membrane has no electrical charge. Fluids and ions can sometimes flow into and out of it.
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Which of the following help to set the resting potential of a neuron? (Select all that apply) The permeability of the membrane to potassium ions. The activity of the sodium/potassium pump. The concentration of potassium ions inside and outside the cell. The concentration of sodium ions inside and outside the cell. The permeability of the membrane to sodium ions.
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Question 43 Which type of neuron integrates information coming into the central nervous system? afferent neurons motor neurons interneurons efferent neurons sensory neurons Question 44 Functionally speaking, a neuronal impulse (or firing) is a flow of electrons along the outside of the plasma membrane of a neuron. the movement of cytoplasmic elements through the core of the neuron. a voltage change caused by movement of ions. a lengthening and shortening of the membrane extensions of an individual neuron. a change in the metabolic rate within a neuron. Question 45 A myelin sheath stores sodium ions. acts as an electrical conductor. acts as an insulator. contains action potentials.
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Question 38 Which part of the neuron carries the nerve's electrical signal from one end of the neuron to the other? dendrites sensory neurons axon cell body Question 39 Which part of the neuron communicates with either the next neuron in the signal pathway or with muscle or gland cells? sensory neurons cell body axon dendrites axon terminal
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