Multiple Choice
A positive change in the membrane potential is called:
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11. Nervous Tissue and Nervous System
Change in Membrane Potential
Back11. Nervous Tissue and Nervous System
Change in Membrane Potential
- Multiple ChoiceWhy does depolarization occur in a neuron during an action potential?300views
- Multiple ChoiceWhen a neuron is stimulated, how does the membrane depolarize?299views
- Multiple ChoiceWhat happens when a resting neuron's membrane depolarizes?298views
- Multiple ChoiceDuring the action potential, when does sodium permeability initially decrease?127views
- Multiple ChoiceHeart rate is altered by stimulation of the SA node or the ______.116views
- Multiple ChoiceHow does a neuron cell membrane become depolarized?203views
- Multiple ChoiceWhich of the following would be likely to cause depolarization of a neuron?354views
- Multiple Choice
A neuron's membrane potential goes from -90 mV to -10 mV. Which of the following terms describes this change?
1860views63rank - Multiple ChoiceWhich of the following electrical events occurs when a certain threshold is reached?1500views1rank
- Multiple ChoiceWhich of the following is characteristic of an action potential?1709views1rank
- Multiple ChoiceAn action potential is a phenomenon that either happens completely or doesn't happen at all.1934views1rank
- Multiple ChoiceWhich part of the action potential occurs when the voltage-gated Na+ channels are inactivating and voltage-gated K+ channels open?1431views1rank
- Multiple ChoiceThe CNS can discriminate between strong and weak stimuli as strong stimuli __________.1362views1rank
- Multiple ChoiceDuring which phase of an action potential are voltage-gated K+ channels open, while voltage-gated Na+ channels are closed?1965views