What Is the Preferred Region of Interest When Analyzing a Forearm

question 24

Multiple Choice

What is the preferred region of interest when analyzing a forearm DXA scan?

• A) Ultra-distal ulna
• B) Ultra-distal radius
• C) One-third (33%) ulna
• D) One-third (33%) radius

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Definitions:

Fixed Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses, in behavioral psychology.

Variable Ratio

A reinforcement schedule that rewards a response after a random number of responses, making it very resistant to being extinguished.

Fixed Interval

A schedule of reinforcement where the first response is rewarded only after a specified amount of time has elapsed, leading to a pattern of response immediately after the interval passes.

Variable Interval

describes a schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, enhancing response consistency.