Hands-Free Cell Phone Use While Driving

question 40

Multiple Choice

Hands-free cell phone use while driving

• A) is associated with significantly less performance deficits compared to hand-held cell phone use while driving.
• B) holds no more risk than talking with passengers in the car.
• C) is dangerous because it involves talking on the phone while driving.
• D) is allowed in an emergency.
• E) is risk free.

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Definitions:

Plasma Membrane

A bi-layer of lipids and proteins that surrounds a cell, controlling the passage of substances in and out of the cell.

Membrane Potential

The electrical potential difference across a cell's plasma membrane, vital for the conduction of nerve impulses, muscle contraction, and transport processes.

Depolarization

A decrease in membrane potential that makes the interior of a cell less negative compared to the outside, crucial for nerve impulse transmission and muscle contractions.

Repolarization

The process by which a cell's membrane potential returns to its resting state after depolarization.