For an action potential to occur,
A) The stimulus must reach or exceed threshold
B) Na+ influx must exceed K+ efflux
C) The membrane must be out of the relative refractory period
D) Both the stimulus must reach or exceed threshold and Na+ influx must exceed K+ efflux must happen
E) All of the choices must happen
Correct Answer:
Verified
Q17: The resting membrane potential
A)Requires very few ions
Q18: In a resting neuron,
A)The plasma membrane is
Q19: The diffusion potential for Na+ across a
Q20: A given neuron can
A)Be either a presynaptic
Q21: A threshold stimulus applied to an excitable
Q23: The relative refractory period of an axon
Q24: During the rising (depolarizing)phase of an action
Q25: Axons typically have abundant
A)Voltage-regulated channels for Na+
Q26: At the peak of the action potential,
A)The
Q27: An action potential does not restimulate the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents