need answer Brightspace Exam 5 Chapters 9-11 (201505)- Requires Respondus LockDo

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Brightspace Exam 5 Chapters 9-11 (201505)- Requires Respondus LockDown Browser Webcam st. Length: 1:30:00 Time Ta ken:4:34:20 Tamailia Clarke: Attempt 1 Question 21 (1 point) 1920 A neuron has initiated one action potential. Before it can generate a second impulse: SELECT ANY ACCURATE ANSWERS 22 23 24 answer not listed K ions must be pumped out of a cell, thereby reestablishing membrane potential Na ions must be pumped back into a cell, thereby reestablishing membrane potential The membrane potential must be reestablished 25 26 27 28 2930 31 32 33 Vol Itage gated Na channels must open to reestablish the membrane potential egend All proteins involved in action potentials must be resynthesized (newly synthesized) Saved Response Unsaved Response Info Item Save Question 22 (1 point) B If a cell does not reach threshold, what would happen? Page 1 Saved SELECT ONE ANSWER

Explanation / Answer

A neuron has initiated one action potential before it can generate a second action potential.

the reason should be

'voltage gated Na channels must open to reestablish the membrane potential.`

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