Science & Technology·Prelims Questions

Medical Applications — Prelims Questions

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Version 1Updated 10 Mar 2026

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Q1easy

Which of the following radioisotopes is most commonly used in diagnostic nuclear medicine procedures globally?

Q2medium

Consider the following statements regarding Theranostics: 1. It combines diagnostic imaging and targeted therapy using the same or similar molecular pathways. 2. Lutetium-177 PSMA therapy for prostate cancer is an example of a theranostic application. 3. Theranostics primarily uses alpha-emitting radioisotopes for both diagnosis and therapy. Which of the statements given above is/are correct?

Q3easy

In India, which of the following bodies is primarily responsible for the production and supply of radioisotopes and radiopharmaceuticals for medical use?

Q4medium

Which of the following statements correctly describes the 'ALARA' principle in nuclear medicine?

Q5hard

Consider the following pairs: 1. PET scan : Fluorine-18 2. Bone scan : Technetium-99m 3. Thyroid therapy : Cobalt-60 Which of the pairs given above is/are correctly matched?