The CTDI Dose Measurement

question 4

Multiple Choice

The CTDI dose measurement

• A)is slice-based.
• B)takes into account the total amount of irradiated tissue.
• C)represents the average total dose to the patient during the examination.
• D)measures entrance skin exposure (ESE).

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Definitions:

Roundworms

A group of invertebrates belonging to the phylum Nematoda, characterized by long, cylindrical bodies.

Cambrian

A geological period approximately 541 million years ago, marked by a rapid diversification of life in the Earth's oceans.

Proterozoic

An eon in the geologic timescale, following the Archean and preceding the Phanerozoic, characterized by the first evidence of oxygen in the atmosphere and multicellular life.

Incomplete Metamorphosis

A type of development in some insects, where the young resemble adults but are typically smaller and lack fully developed wings and reproductive structures.