Multiple ChoiceWhich of the following is the MOST important factor in generating resting membrane potential?874views20rank1comments
Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?1154views1rank
Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?1328views1rank
Multiple ChoiceWhich of the following membrane ion channels in the neuron are always open?1444views1rank
Multiple ChoiceRelative to extracellular fluid, the interior of a neuron has a negative charge because __________.1190views1rank1comments
Multiple ChoiceIn a neuron, a membrane potential of –90 mV is considered __________.1661views1comments
Multiple ChoiceWhich of the following statements best describes the resting membrane state in the neuron?1436views
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.241views
Textbook QuestionA hypothetical poison blocks K+ leak channels. How would this affect the resting membrane potential of skeletal muscle fibers? Explain your reasoning.242views
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.195views
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.231views
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