The sensory receptors in human skin that receive deep pressure stimulus are
Correct answer: B. Pacinian corpuscles
- A. Erector muscles
- B. Pacinian corpuscles
- C. Meissner's corpuscles
- D. Epidermal nerve endings
Explanation
Pacinian corpuscles are the correct answer as they are specifically adapted to sense deep pressure and vibration. These are large, onion-like structures located deep in the dermis or subcutaneous tissue. In contrast, Meissner's corpuscles are responsible for detecting light touch, and epidermal nerve endings are involved in sensing pain and temperature. Erector muscles are not sensory receptors; they are muscles that cause hair to stand on end.
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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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