Question 1

Which of the following is acceptable for a variation in the B + F (base + fog) value during sensitometric testing in radiography?

Accepted Answer

A)  ±0.01
B)  ±0.03
C)  ±0.05
D)  ±0.10 C

Question 2

Processing time should not vary by more than ____ of the manufacturer's recommendation.

Accepted Answer

A)  ±1% to 2%
B)  ±2% to 3%
C)  ±5% to 7%
D)  ±10% to 15% B

Question 3

Which of the following would be the acceptable temperature variation allowable in automatic film processor quality control?

Accepted Answer

A)  ±0.5° F
B)  ±1° F
C)  ±1.5° F
D)  ±2° F A

Question 4

Which type of graph is used to document the results from the sensitometric testing of film processors?

Accepted Answer

A)  Control chart
B)  Histogram
C)  Pareto chart
D)  Fishbone chart

Question 5

Which of the following is obtained by subtracting the Dmᵢn from the Dmₐₓ?

Accepted Answer

A)  Speed indicator
B)  Mid-density indicator
C)  High-density indicator
D)  Contrast indicator

Question 6

Variation during sensitometric testing that occurs because of the test film being run in different parts of the feed tray is called

Accepted Answer

A)  bromide drag.
B)  locational effect.
C)  time of day variability.
D)  bias.

Question 7

Replenishment rates should not vary by more than ____ of the manufacturer's recommendation.

Accepted Answer

A)  ±1%
B)  ±2%
C)  ±5%
D)  ±10%

Question 8

Which of the following devices is used to create a 21-step wedge pattern on a film during sensitometric testing?

Accepted Answer

A)  Densitometer
B)  Sensitometer
C)  Film duplicator
D)  Ultraviolet light

Question 9

Which of the following is acceptable for variation in the mid-density indicator during sensitometric testing in radiography?

Accepted Answer

A)  ±0.05
B)  ±0.10
C)  ±0.15
D)  ±0.20

Question 10

B + F is measured in the

Accepted Answer

A)  clear area of the film.
B)  lightest step in the pattern.
C)  medium step in the pattern.
D)  darkest step in the pattern.

Exam 5: Processor Quality Control

Which of the following is acceptable for a variation in the B + F (base + fog) value during sensitometric testing in radiography?