Pulp responds to all stimuli by pain because it has only_______________?
Correct answer: B. Free nerve endings
- A. Krause end bulbs
- B. Free nerve endings
- C. Pacinian corpuscle
- D. Ruffini corpuscle
Explanation
The pulp is supplied mainly by free nerve endings, so its responses to thermal, mechanical, and chemical stimuli are perceived chiefly as pain. It lacks specialized pressure and touch receptors such as Pacinian or Ruffini corpuscles.
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