You are going to record rmp from a cell using an electrode. you place your electrode and record a resting membrane potential every millisecond. you record an initial value of –70mv; however, over time you notice that your recordings become more and more positive until the rmp reaches 0mv. assuming that na+ and k+ are the major determinants of rmp in this cell, which of the following could best explain your results?
a. the cell is becoming depleted of k+.b. the cell's k+ leak channels have stopped functioning. c. the cell is becoming depleted of na+.d. the cell's na+ leak channels have stopped functioning. e. the cell's na+−k+ atpase pumps have stopped functioning.