ANATOMY

GENERAL ANATOMY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of sensory receptor responds to vibrations from sound waves?
A
thermoreceptors.
B
photoreceptors.
C
mechanoreceptors.
D
chemoreceptors.
Explanation: 

Detailed explanation-1: -[8] Mechanoreceptors respond to physical changes including touch, pressure, vibration, and stretch.

Detailed explanation-2: -Mechanoreceptors are involved in hearing, detection of equilibrium, skin tactile sensing, deep tissue sensing, and sensing of arterial pressure. Hearing or audition involves the transduction of sound waves into neural signals via mechanoreceptors in the inner ear.

Detailed explanation-3: -Mechanoreceptors are an important receptor class for the somatosensory system. These receptors have a well-known role in tactile feedback from the skin and skeletal system, which is essential for human development and sensation.

Detailed explanation-4: -Mechanoreceptors detect stimuli such as touch, pressure, vibration, and sound from the external and internal environments. They contain primary sensory neurons that respond to changes in mechanical displacement, usually in a localized region at the tip of a sensory dendrite.

Detailed explanation-5: -The receptors responsible for vibration sense include Merkel disk receptors and Meissner’s corpuscles in the superficial layers of the skin and pacinian corpuscles in deeper layers of skin, between layers of muscle, and in periosteum (fig 1).

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