Multiple choice

When pain is caused, there is an environmental change in the excitable tissue. This change is called stimulus. This stimulus can be

  1. electrical

  2. thermal

  3. chemical

  4. mechanical

  5. All of the above

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Yes, this is the correct answer. The stimulus to the nerve supplying the muscle can be thermal, electrical, mechanical or chemical in nature.