A Radioactive Isotope in a 9

question 67

Multiple Choice

A radioactive isotope in a 9.0 mL vial has an intensity of 300. mCi. How much of the liquid should be injected into a patient to deliver a dose of 50. mCi?

• A) 0.9 mL
• B) 1.5 mL
• C) 3.0 mL
• D) 4.5 m

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Definitions:

Continental Hot Spot

A region above a stationary hot mantle plume that can cause volcanic activity in the middle of a tectonic plate.

Meteorite Impact

The collision of a meteorite with another body, such as a planet or moon, often leaving a crater and causing significant geological effects.

Foreland Basin

A structural basin that forms adjacent to mountain ranges, created by the Earth's crust flexing due to the weight of the overlying mountains.

Crystalline Rocks

Rocks that are composed of crystals or have a crystal-like structure, often formed through the cooling of molten rock.