The Anode Heel Affect

Multiple Choice

The anode heel affect
1) should be considered when the structure of interest is more than 43 inches long.
2) is a variation in photon intensity across the exposure field.
3) occurs because the heel of the anode absorbs more photons than the toe.
4) is best used with the thinner body toward the cathode.

A) 1 only
B) 2 and 3 only
C) 1, 2, and 4 only
D) 1, 2, 3, and 4