Use the Table and the Given X-Ray Absorption Diagrams to Identify

question 21

Multiple Choice

Use the table and the given X-ray absorption diagrams to identify the composition of each of the regions marked by a letter. The number in each region shows its absorption, and the number on each X-ray beam shows the total absorption for that beam. $$\begin{array} { | l | l | l | l | l | l | l | } \hline \text { Type } & \text { Air } & \text { Water } & \text { Gray matter } & \text { Tumor } & \text { Blood } & \text { Bone } \\\hline \text { Absorption } & 0 & 1,000 & 1,020 & 1,030 & 1,050 & 2,000 \\\hline\end{array}$$ $a = 4050$ , $b = 5130$ , $c = 8000$ , $d = 3020$

• A) \(\begin{array} { l } x = \text { Blood } \\ y = \text { Bone } \\ z = \text { Gray matter } \\ u = \text { Water } \end{array}\)
• B) \(\begin{array} { l } x = \text { Bone } \\ y = \text { Tumor } \\ z = \text { Water } \\ u = \text { Gray matter } \end{array}\)
• C) \(\begin{array} { l } x = \text { Tumor } \\ y = \text { Bone } \\ z = \text { Water } \\ u = \text { Gray matter } \end{array}\)
• D) \(\begin{array} { l } x = \text { Tumor } \\ y = \text { Water } \\ z = \text { Bone } \\ u = \text { Gray matter } \end{array}\)
• E) \(\begin{array} { l } x = \text { Blood } \\ y = \text { Bone } \\ z = \text { Water } \\ u = \text { Gray matter } \end{array}\)

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Definitions:

Utility Function

A mathematical representation used in economics to model preferences and satisfaction obtained from consuming goods and services.

Berries

Small, pulpy, and often edible fruits, typically round, brightly colored, sweet or sour, and do not have a stone or pit, although many seeds may be present.

Nuts

Edible seeds of certain plants, enclosed in a hard shell, and often consumed as a nutrient-rich food.

Utility Function

Represents the satisfaction or welfare an individual obtains from consuming goods and services, indicating preferences over various bundles of goods.