An Oncology Specialist Recommends Placement of Radioactive Isotopes in Capsules

question 1

Multiple Choice

An oncology specialist recommends placement of radioactive isotopes in capsules near a patient's tumor. What is this form of radiation therapy called?

• A) Brachytherapy
• B) CT simulation
• C) External beam
• D) Fractionation

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Definitions:

Perfect Vacuum

A theoretical state where a space is completely devoid of matter, including air or any other gases, achieving a total absence of pressure.

Sealed Vessel

A container designed to be completely airtight, preventing the exchange of substances with its environment.

Nitrogen

Nitrogen is a colorless, odorless, tasteless gas that makes up about 78% of the Earth's atmosphere, significantly used in fertilizer production, as a refrigerant, and as a replacement for air in tires to maintain stable pressure.

Confined Liquid

A fluid that is trapped or contained within a specific space or system, often under pressure.