Why Is It Important to Keep the Phalanges Parallel to the IR

question 30

Multiple Choice

Why is it important to keep the phalanges parallel to the IR for a PA oblique projection of the hand?

• A)Prevents foreshortening of phalanges and obscuring of interphalangeal joints.
• B)Prevents foreshortening of radiocarpal joint.
• C)Opens up the carpometacarpal joints.
• D)Demonstrates the sesamoid bones near the first interphalangeal joint.

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