Guided course 03:35Standard Sodium and Potassium ConcentrationsHannah Gordils3711views94rank1comments
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?1096views45rank
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.904views22rank
Multiple ChoiceWhich of the following statements is true regarding how the concentration gradient affects sodium ions when a cell is at rest?879views18rank
Multiple ChoiceWhich of the following statements about the Sodium Potassium pump is correct? 787views13rank
Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?1103views1rank
Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?1267views1rank
Multiple ChoiceWhich of the following membrane ion channels in the neuron are always open?1368views1rank
Multiple ChoiceRelative to extracellular fluid, the interior of a neuron has a negative charge because __________.1126views1rank1comments
Multiple ChoiceIn a neuron, a membrane potential of –90 mV is considered __________.1592views1comments
Multiple ChoiceWhich of the following statements best describes the resting membrane state in the neuron?1371views
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.216views
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