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Chapter: 14 / Q: 47
What is meant by the “absolute refractory period” of a nerve cell membrane? The time during which:
Chapter: 14 / Q: 48
What would happen if a neuron lost its myelin sheath?
Chapter: 14 / Q: 49
Some cells in the body can maintain an electric potential across their cell membrane. How do they do this?
Chapter: 14 / Q: 50
In nerve fi bres with myelin sheaths, which of the following is true about the electrical conduction?
Chapter: 14 / Q: 51
When we say that the cell membrane is polarised we mean tha
Chapter: 14 / Q: 52
Depolarisation of the cell membrane involves:
Chapter: 14 / Q: 53
Which of the following statements about the action potential is FALSE ?
Chapter: 14 / Q: 54
When is an action potential initiated? When
Chapter: 14 / Q: 55
The sequence of events that constitute an action potential is correctly described by which of the following? Resting potential of…
Chapter: 14 / Q: 56
What term refers to the sudden movement of potassium ions across the cell membrane to the outside of a nerve cell?
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