Multiple Choice Questions

The channelopathy known as QT syndrome is a result of mutation in ________ channels.ANSWER: sodium chloride potassium sodium, potassium, or calcium calcium
  • sodium, potassium, or calcium
  • peripheral nervous system.
  • whether axon is sensory or motor
  • K+ flow out of the cell only.
Information coming into the central nervous system is transmitted along ________ neurons.ANSWER: afferent sensory and efferent efferent afferent and sensory sensory
  • Cl- ions enter the cell.
  • sodium, potassium, or calcium
  • whether axon is sensory or motor
  • afferent and sensory
When voltage-gated Na+ channels of a resting neuron open,ANSWER:-Na+ enters the neuron and the neuron depolarizes.-Na+ leaves the neuron and the neuron depolarizes.-Na+ enters the neuron.-Na+ leaves the neuron.-the neuron depolarizes.
  • Na+ enters the neuron and the neuron depolarizes.
  • Na+ flow into the cell only.
  • Increase the diameter of the axon, increase the resistance of the axon membrane to ion leakage.
  • K+ leaves the neuron.
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Multiple Choice Questions
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