When Free Radicals Previously Produced by the Interaction of Radiation

question 12

Multiple Choice

When free radicals previously produced by the interaction of radiation with water molecules act on a molecule such as DNA,the damaging action of ionizing radiation is indirect in the sense that the radiation is not the immediate cause of injury to the macromolecule.What is the immediate cause of this damage?

• A)Excitation of the atoms of the biologic macromolecules
• B)Enzymes released from biologic macromolecules
• C)The recombining of a positively charged water molecule with an electron
• D)The free radicals produced by the interaction of radiation with water molecules

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Heuristic

A problem-solving strategy that employs a practical approach or shortcut, which is not guaranteed to be perfect, but sufficient for reaching an immediate goal.

Search Activity

The process of looking for or exploring information, products, or services, motivated by various needs or goals.

Psychological Risk

Refers to potential negative impacts on an individual's mental health or well-being resulting from specific situations or actions.

Information Gathering

The systematic collection of data, facts, or details from various sources to increase understanding or make informed decisions.