In Bright Light, the Pupil _____, While in Dim Light

question 136

Multiple Choice

In bright light, the pupil _____, while in dim light the pupil _____.

• A)dilates; constricts
• B)constricts; dilates
• C)enlarges; dilates
• D)dilates; enlarges

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Definitions:

Stirrup

A small, U-shaped bone in the middle ear that plays a key role in transmitting sounds from the outer ear to the inner ear.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is essential for hearing as it converts sound vibrations into neural signals.

Auditory Nerve

The nerve that carries signals from the inner ear to the brain, allowing us to process sounds.

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves, aiding in the process of hearing.