Guided course 03:35Standard Sodium and Potassium ConcentrationsHannah Gordils4305views106rank1comments
Multiple ChoiceSuppose the extracellular fluid has a chloride (Cl−Cl^-Cl−) concentration of 120mM, while the concentration of chloride (Cl−Cl^-Cl−) inside the cytosol is 60mM. Also suppose that the total net charge of the cytosol is more negative than the extracellular fluid. Given this information, which statement is correct regarding the movement of Cl−Cl^-Cl− ions?1223views52rank
Multiple ChoiceIn a neuron at rest, the concentration of __________ is higher outside the cell than in the cell, whereas the concentration of _________ is greater inside the cell than outside.1021views28rank
Multiple ChoiceWhich of the following statements is true regarding how the concentration gradient affects sodium ions when a cell is at rest?991views24rank
Multiple ChoiceWhich of the following statements about the Sodium Potassium pump is correct? 894views24rank
Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?1132views1rank
Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?1298views1rank
Multiple ChoiceWhich of the following membrane ion channels in the neuron are always open?1414views1rank
Multiple ChoiceRelative to extracellular fluid, the interior of a neuron has a negative charge because __________.1159views1rank1comments
Multiple ChoiceIn a neuron, a membrane potential of –90 mV is considered __________.1636views1comments
Multiple ChoiceWhich of the following statements best describes the resting membrane state in the neuron?1407views
Textbook QuestionMark 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.258views
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