Merkel cells in the epidermis respond to _____.Multiple choice question.light touchcold temperaturesnoxious chemicalshot temperatures
Question
Merkel cells in the epidermis respond to _____.
- light touch
- cold temperatures
- noxious chemicals
- hot temperatures
Solution
Understanding Merkel Cells
Merkel cells are specialized cells located in the epidermis of the skin. They are primarily involved in the sensation of light touch. These cells make contact with sensory nerve endings and are crucial for detecting fine tactile stimuli.
Analysis of Options
- Light Touch: This is the primary function of Merkel cells. They respond to gentle stimuli and are key for the sense of touch.
- Cold Temperatures: Merkel cells are not primarily responsible for sensing temperature changes.
- Noxious Chemicals: While skin can respond to harmful substances, Merkel cells are not involved in this response mechanism.
- Hot Temperatures: Sensation of heat is mainly facilitated by other types of thermoreceptors, not by Merkel cells.
Final Answer
Merkel cells in the epidermis respond to light touch.
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