The lateral coccyx image shown in Figure 4–4 was made using AEC but is overexposed. This is most likely a result of

Figure 4–4.

A.
incorrect selection of the small focal spot
B.
insufficient backup time
C.
selection of the center photocell
D.
incorrect centering of the part

What is the correct critique of the CR image shown in Figure 4–6?

Figure 4–6.

A.
double exposure
B.
inverted IP
C.
incomplete erasure
D.
image fading

The radiograph shown in Figure 4–14 is most likely the result of

Figure 4–14.
A.
an off-level grid
B.
pronounced anode heel effect
C.
low-milliampere-seconds and high-kilovoltage factors
D.
low-kilovoltage and high-milliampere–seconds factors