Which type of sensory structures carry deep pressure and vibration sensations______________?
Correct answer: C. Pacinian corpuscles
- A. Hair end organs
- B. Meissner's Corpuscles
- C. Pacinian corpuscles
- D. none of these
Explanation
Pacinian corpuscles are rapidly adapting mechanoreceptors located deep in the skin and subcutaneous tissues, where they detect deep pressure and high-frequency vibration. Meissner's corpuscles mainly detect light touch and low-frequency vibration near the skin surface. The likely alternative is Meissner's corpuscles because they also sense touch, but they are not the main receptors for deep pressure.
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About Receptors
Receptors are specialized cells or proteins that detect stimuli such as light, sound, pressure, temperature and chemicals, then initiate responses through sensory or hormonal pathways. Questions distinguish sensory receptors from effectors, compare receptor types, and examine stimulus conversion into nerve impulses, including the roles of rods, cones, chemoreceptors and mechanoreceptors.
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