The Radiation Intensity from a Point Source of ^99mTc Is

question 8

Multiple Choice

The radiation intensity from a point source of ^99mTc is 9 mR/hr at 3 m from the source.If the distance is changed to 9 m, what is the new radiation intensity?

• A)0.5 mR/hr
• B)1.0 mR/hr
• C)2.0 mR/hr
• D)3.0 mR/hr

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Definitions:

Anthophyta

A taxonomic group comprising all flowering plants, characterized by the presence of flowers and seeds enclosed in a fruit.

Phloem

The vascular tissue in plants responsible for the transport of nutrients and carbohydrates produced by photosynthesis.

Transport Nutrients

involves the movement of nutrients from one location to another within an organism or between organisms in an ecosystem.

Dissolved Sugars

Sugars that have been dissolved in a solution, which can readily be absorbed by plants and animals for energy.