In Positron Emission Tomography (PET), What Type of Molecules Are

question 9

Multiple Choice

In positron emission tomography (PET) , what type of molecules are introduced into the blood supply and carried to the brain?

• A)Radioactive molecules
• B)Negatively-charged molecules
• C)Positively-charged molecules
• D)Non-charged molecules

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Definitions:

Essential Attribute

Characteristics that are intrinsic to the nature of an entity, without which it would lose its identity or essence.

Essential Attributes

Fundamental qualities or characteristics that define the nature of something.

Jointly Exhaustive

A condition where all possible outcomes or cases are covered by the set of propositions or options.

Equally Abstract

Pertaining to concepts or ideas that are similarly removed from concrete reality and difficult to define precisely.