16 Questions
Which type of mechanoreceptor is buried in the subcutaneous tissue and senses displacements of wide areas of the skin?
Pacinian corpuscles
What do Pacinian corpuscles detect?
High-frequency stimulation
Which mechanoreceptor senses stretching of the skin?
Ruffini endings
What type of stimulation are Pacinian corpuscles NOT capable of detecting?
Temperature
What is the main difference between Pacinian corpuscles and Ruffini endings?
Size of receptive fields
Which mechanoreceptor is NOT buried in the subcutaneous tissue?
Meissner's corpuscles
Which mechanoreceptor provides information about the shapes of objects?
Ruffini endings
Which mechanoreceptor has the largest receptive fields compared to other mechanoreceptors?
Pacinian corpuscles
Which type of mechanoreceptor is responsible for signaling the pressure and shape of an object touching the skin?
Merkel discs
Which type of mechanoreceptor is responsive to abrupt changes in the shape of the edges of objects or irregularities on the surface of objects?
Meissner corpuscles
Which type of mechanoreceptor provides information about the curvature of objects?
Merkel discs
Which type of mechanoreceptor is important for sensing movement of an object across the skin?
Rapidly adapting mechanoreceptors
Where are Merkel discs and Meissner corpuscles predominantly located?
Superficial layers of glabrous skin
What type of tactile stimulation do Merkel discs primarily detect?
Continuous pressure and shape of an object
What type of tactile stimulation do Meissner corpuscles primarily detect?
Abrupt changes in the shape of the edges of objects
What additional information do hair follicle receptors provide to the brain about tactile stimulation?
Displacements of adjacent hairs
Test your knowledge on tactile stimulation and mechanoreceptors with this quiz! Learn about how encapsulated mechanoreceptors are activated and the role of stretching the receptor membrane. Explore the concept of depolarization and action potential generation in primary afferent axons. Discover the differences between slowly adapting mechanoreceptors and their continuous firing patterns.
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