Multiple ChoiceWhich of the following is the MOST important factor in generating resting membrane potential?757views16rank1comments
Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?1108views1rank
Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?1272views1rank
Multiple ChoiceWhich of the following membrane ion channels in the neuron are always open?1374views1rank
Multiple ChoiceRelative to extracellular fluid, the interior of a neuron has a negative charge because __________.1132views1rank1comments
Multiple ChoiceIn a neuron, a membrane potential of –90 mV is considered __________.1599views1comments
Multiple ChoiceWhich of the following statements best describes the resting membrane state in the neuron?1376views
Textbook QuestionMark 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.173views
Textbook QuestionA hypothetical poison blocks K+ leak channels. How would this affect the resting membrane potential of skeletal muscle fibers? Explain your reasoning.189views
Textbook QuestionMark 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.156views
Textbook QuestionMark 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.177views
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