Explanation:
C
The thousands of nerve endings in the skin respond to four basic sensation pressure, hot, cold and pain but only the sensation of pressure has its own specialized receptors.
- An itch is a skin sensation. The other skin sensations are touch, pain, heat and cold. An itch leads to a desire to scratch. Itching has many causes from simple dryness of the skin to serious systemic diseases.
- Sensation can be divided into four types: superficial deep, visceral and special. Superficial sensation is concerned with touch, pain, temperature and two point discrimination.