While the PET Assesses Brain Activity in Terms of Glucose

question 196

Multiple Choice

While the PET assesses brain activity in terms of glucose metabolism, the MRI measures

• A)multiple angles of radiation.
• B)tracers.
• C)subtle shifts in blood flow.
• D)electrical activity.

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Definitions:

Nucleotides

Nucleotides are the basic building blocks of nucleic acids, such as DNA and RNA, consisting of a nitrogenous base, a sugar molecule, and one or more phosphate groups.

Enantiomers

Molecules that are mirror images of each other but cannot be superimposed, having different physical and chemical properties.

Geometric Isomers

Molecules with the same formula and sequence of bonded atoms, but differing in the three-dimensional orientations of their atoms in space.

Structural Isomers

Molecules with the same molecular formula but different arrangements of atoms, resulting in different properties.