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PTECH Physiology QUESTION #3187
Question 1
The 'All-or-None' Law of nerve impulses states that:
  • Nerves only fire during the day
  • An impulse is conducted at full strength or not at all✔️
  • Nerves never rest
  • Only large nerves can fire
Correct Answer Explanation
If a stimulus reaches threshold, an action potential of constant magnitude is generated.