Numbering About 120 Million in Each Eye, Which Receptor Cells

question 645

Multiple Choice

Numbering about 120 million in each eye, which receptor cells allow us to see in dim light and are responsible for our seeing black and white images?

• A)phosphenes
• B)rods
• C)cones
• D)stereocilia

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Definitions:

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spine, providing cushioning for the brain, removing waste, and carrying nutrients.

Spinal Tap

A medical procedure, also known as lumbar puncture, where a needle is inserted into the lower back to collect cerebrospinal fluid for testing.

Fever

A temporary increase in body temperature, often due to an illness, which is a part of the immune system's attempt to combat infection.

Telencephalon

The telencephalon is the advanced portion of the brain in vertebrates, encompassing the cerebral hemispheres and responsible for complex functions like voluntary movement and sensory processing.