Review Note
Last Update: 05/10/2024 01:11 AM
Current Deck: DS1 Spring OHSU::IB702::IB 702 Exam 1 pollEV
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A motor neuron will have a resting potential that is >10 mV more positive than the muscle fiber that it innervates. Which of the following statements provides the most plausible explanation for this difference?
- A. The muscle has a different cytoplasmic potassium concentration than the neuron
- B. The Nernst equation is different for a muscle fiber than a neuron
- C. The resting potential of the muscle cell is based on calcium distribution
- D. The muscle cell has a lower resting sodium permeability than the neuron
- E. Myelin on the motor neuron causes the resting potential to be lower than the muscle fiber
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