The Depolarization of the Membrane Due to a Stimulus Is

question 60

Multiple Choice

The depolarization of the membrane due to a stimulus is a regenerative mechanism meaning that, once sodium gates begin to open, even more sodium gates will be activated leading to a larger inflow of sodium ions and more depolarization until it is terminated when sodium gates close. This is an example of

• A)positive feedback.
• B)inhibitory graded potentials.
• C)electrotonic conduction.
• D)negative feedback.
• E)excitatory graded potentials.

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