Question

Select all that apply

Equilibrium refers to perception of which of the following? Choose three of the options below.
Perception of time
Orientation in space
Coordination
Hearing
Balance

Answer 1

Equilibrium refers to the perception of orientation in space, balance, and coordination, involving sensations of head position and movement, which are detected by structures in the inner ear and processed by the brain stem and cerebellum.

Step-by-step explanation:

Equilibrium refers to our sense of balance, which encompasses sensations of position and movement of the head. This sense of balance is crucial for maintaining proper orientation in space and is linked to coordination and balance during movement. The inner ear is integral to the equilibrium system; it encodes information about head position and movement through structures such as the utricle, saccule, and semicircular canals. These organs contain hair cells that send neural signals to the brain stem and cerebellum to maintain balance and orientation.

Given this information, equilibrium refers to the perception of:

• Orientation in space
• Balance
• Coordination

It does not directly involve perception of time or hearing, though the vestibulocochlear nerve that is involved in the vestibular sense also transmits auditory information to the brain.