Which of the Following Is NOT True of Positron Emission

question 40

Multiple Choice

Which of the following is NOT true of positron emission tomography?

• A) It involves the use of isotopes with half-lives of minutes to hours.
• B) It allows a researcher to measure a variety of biological activities in the brain.
• C) It is capable of showing the distribution of various neurotransmitters within the brain.
• D) It produces a static image of the brain's anatomy, as do CAT scans and MRIs.
• E) It involves the injection or inhalation of radioisotopes.

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Definitions:

Catabolized

The process by which substances are broken down into smaller molecules to release energy.

Ketogenesis

A metabolic process where the liver produces ketone bodies from fatty acids, which serve as an alternative energy source when glucose is low.

Acetyl CoA

A molecule involved in many biochemical reactions, serving as a key intermediary in the synthesis and oxidation of fatty acids and in the Krebs cycle for energy production.

Electron Transport

A series of chemical reactions during which electrons are transferred through a chain of protein complexes in the mitochondria, generating ATP, the cell's energy currency.