Jamie Walks from a Bright Room into a Dark Room

question 77

Multiple Choice

Jamie walks from a bright room into a dark room. It will take about ______ minutes for her rods to fully adjust to the dark.

• A) 10
• B) 30
• C) 20
• D) 40

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Definitions:

Myelin Sheath

The fatty layer that covers and insulates axons of many neurons, facilitating the rapid transmission of nerve impulses.

PNS

Abbreviation for Peripheral Nervous System, which encompasses all the nerves outside the brain and spinal cord and connects the CNS to the limbs and organs.

CNS

Stands for Central Nervous System, which includes the brain and spinal cord, responsible for processing and sending out information throughout the body.

Blood-Brain Barrier

A protective mechanism that controls the passage of substances from the bloodstream into the brain tissue.