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Which of the following is the correct description for sensory receptors?
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13. The Peripheral Nervous System
Introduction to Sensory Receptors
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What are the sensory organs responsible for the sense of dynamic equilibrium in the ear?
A
Eustachian tube
B
Otolith organs
C
Cochlea
D
Semicircular canals
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Begin by understanding the concept of dynamic equilibrium, which refers to the ability to maintain balance while in motion.
Identify the sensory organs in the ear that are involved in balance and equilibrium. These include the semicircular canals, otolith organs, and cochlea.
Focus on the semicircular canals, which are three fluid-filled loops located in the inner ear. They are oriented in different planes and are crucial for detecting rotational movements.
Learn how the semicircular canals function: When the head moves, the fluid inside the canals shifts, stimulating hair cells that send signals to the brain about the direction and speed of the movement.
Recognize that while the otolith organs (utricle and saccule) are involved in detecting linear acceleration and gravity, the semicircular canals are specifically responsible for sensing dynamic equilibrium, making them the correct answer.
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