11. Nervous Tissue and Nervous System
Resting Membrane Potential
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- Multiple Choice
Which of the following is the MOST important factor in generating resting membrane potential?
1055views23rank1comments - Multiple ChoiceWhich type of ion channel opens when a chemical binds to it?1405views1rank
- Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?1232views1rank
- Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?1405views1rank
- Textbook 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.
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A hypothetical poison blocks K+ leak channels. How would this affect the resting membrane potential of skeletal muscle fibers? Explain your reasoning.
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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
c. The Na+/K+ pumps and gated channels maintain the Na+ and K+ gradients necessary for action potentials to occur.
362views - Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. A depolarization is a change in membrane potential that makes the potential less negative.
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