For the AP Projection of the Thumb,Lewis Suggests Angling the Central

question 36

Multiple Choice

For the AP projection of the thumb,Lewis suggests angling the central ray toward the wrist to demonstrate the first metacarpal free of the sesamoids and of the soft tissue of the palm.What is the suggested central-ray angle?

• A) 10 degrees
• B) 15 degrees
• C) 5 to 10 degrees
• D) 10 to 15 degrees

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