A Rad Is That Amount of Radiation That

question 17

Multiple Choice

A rad is that amount of radiation that:

• A) is also known as a rem.
• B) deposits 10^-2 J of energy into 1 kg of absorbing material.
• C) deposits 8.76*10^-3 J of energy into 1 kg of air.
• D) produces 2.08 *10⁹ ion pairs per cm³ in air under standard conditions.

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Definitions:

Autonomic Nervous System

A part of the nervous system responsible for controlling involuntary bodily functions such as heartbeat and digestion.

Sympathetic

Referring to the part of the autonomic nervous system that prepares the body for action and stress responses, often described as "fight or flight."

Parasympathetic

The division of the autonomic nervous system responsible for conserving energy and promoting the "rest and digest" response.

Nodes of Ranvier

Gaps in the myelin sheath of nerve fibers, which facilitate the rapid conduction of nerve impulses along the neuron.