11. Nervous Tissue and Nervous System
Resting Membrane Potential
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Practice this topic
- Multiple Choice
Which of the following is the MOST important factor in generating resting membrane potential?
- Multiple ChoiceWhich type of ion channel opens when a chemical binds to it?
- Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?
- Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?
- Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The resting membrane potential refers to the voltage difference across the membranes of excitable cells at rest.
- Open Question
A hypothetical poison blocks K+ leak channels. How would this affect the resting membrane potential of skeletal muscle fibers? Explain your reasoning.
- Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The resting membrane potential refers to the voltage difference across the membranes of excitable cells at rest.
- Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. The concentration of Na+ is highest in the cytosol, and the concentration of K+ is highest in the extracellular fluid.