In PET Imaging, the Purpose of a Transmission Scan Is

question 19

Multiple Choice

In PET imaging, the purpose of a transmission scan is

• A)for quality control purposes.
• B)to compensate for the variable attenuation in tissues.
• C)for registration purposes.
• D)to provide data for scatter correction.

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Definitions:

Operon

Group of genes together with a promoter-operator DNA sequence that controls their transcription.

Promoter

A region of DNA that initiates transcription of a particular gene, recognized and bound by enzymes and other proteins to start gene expression.

Genes

Units of heredity made up of DNA, acting as instructions to make molecules called proteins.

Prokaryotic Operon

A prokaryotic operon is a functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter and is regulated together, typically found in bacteria.