Which One of the Following Is Used as a Radiotracer

question 105

Multiple Choice

Which one of the following is used as a radiotracer to study blood?

• A)iron-59
• B)technetium-99
• C)sodium-23
• D)iodine-131
• E)phosphorus-32

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Definitions:

Comparative Advantage

The ability of an entity to produce a good or service at a lower opportunity cost than another entity.

Geegaws

Ornamental objects of no substantial value, often considered trinkets or gadgets.

Doodads

Informal term for small objects or gadgets, often of little value and used for decoration or trivial purposes.

Competitive Market

A market structure characterized by a large number of buyers and sellers, free entry and exit, and products that are close substitutes, leading to price determination by supply and demand.