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  3. ignore number 6 the answer for number 7 is b...

Question: ignore number 6 the answer for number 7 is b...

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Fig. 1: Recording from an axorn +30 70- 2.0 4.0 Time (ms) Refer to Fig. 1 to answer the following two questions 6. At time B, the membrane potential is equal to what? a. The resting membrane potential b. The equilibrium potential for Na* c. The equilibrium potential for K+ d. The equilibrium potential for Ca2* e. a & c 7. At time A, what is the most likely state of a Na* channel? a. The activation gate is closed and the inactivation gate is open b. The activation gate is open and the inactivation gate is closed c. Both gates are closed d. Both gates are open

IGNORE NUMBER 6

The answer for number 7 is B but why is the answer B? Why don't the other answers work? When do the sodium activation gates open after the peak is reached?

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