Question

bio - 201 topic 2: cell physiology & tissues
practice it
what is the importance of the all - or - nothing principle of action potentials?
it prevents any electrical signals from being transmitted within the nervous system.
it allows for the transmission of only some electrical signals within the nervous system.
it guarantees the transmission of electrical signals within the circulatory system instead of the nervous system.
it ensures that electrical signals are transmitted at different speeds within the nervous system.
it ensures the reliable transmission of electrical signals within the nervous system.

Explanation:

The all - or - nothing principle of action potentials means that a neuron either fires completely (if the threshold is reached) or does not fire at all. This ensures that electrical signals (action potentials) are transmitted reliably within the nervous system. Electrical signals are not prevented from being transmitted, not only some are not transmitted, they are not transmitted in the circulatory system, and it is not about different speeds of transmission within the nervous system.

Answer:

It ensures the reliable transmission of electrical signals within the nervous system.