Which of the Following Is NOT True of Positron Emission

question 51

Multiple Choice

Which of the following is NOT true of positron emission tomography (PET) ?

• A) It replaced functional magnetic resonance imaging (fMRI) because it was less expensive.
• B) It shows which areas of the human brain are activated during cognitive activity.
• C) It provides a lower-resolution image than fMRI.
• D) It involved injecting radioactive tracers into a person's bloodstream.

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Definitions:

Aromatic Ring

A cyclic, planar molecule with delocalized π electrons over the atoms forming the ring, following Huckel's rule.

Compound Name

The systematic or common name given to a chemical compound, based on the rules of the chemical nomenclature used to identify it uniquely.

Aromatic Ring

A cyclic molecule with alternating double and single bonds, notable for its stability and presence in many organic compounds.

NMR Spectrum

A representation of the nuclear magnetic resonance, showing the interaction of atomic nuclei with an applied magnetic field, used to determine molecular structure.