Bone Densitometry Uses X-Rays to Determine the Level of Bone

question 17

Multiple Choice

Bone densitometry uses x-rays to determine the level of bone density because

• A)different density tissues absorb radiation differently
• B)x-rays are very good at imaging the bony anatomy
• C)A and B
• D)none of the above

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Definitions:

Explicit Motivation

The conscious and deliberate drive to achieve goals or meet needs.

Habituation

The diminishing of a physiological or emotional response to a frequently repeated stimulus, leading to decreased attention or reaction over time.

Shaping

A method of training by which successive approximations towards a desired behavior are reinforced.

Discrimination

Unfair treatment of individuals based on their race, gender, age, or other characteristics rather than their merits.