Deck 2: Compensating Filters

Question 1

Which of the following projections will always require a compensating filter to demonstrate all of the anatomy on one image?
1)AP shoulder
2)Lateral hip
3)Lateral C7-T1

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

Answer 1

2 and 3

Question 2

Which of the following is required to maintain an even radiographic density on body parts that have significant variations in tissue density?

A) Increase the kVp.
B) Increase the mA.
C) Use a compensating filter.
D) Use a compression device.

Answer 2

Use a compensating filter.

Question 3

Where are most compensating filters placed?

A) Under the patient
B) Directly on the patient
C) Between the x-ray tube and skin surface
D) Between the x-ray tube and collimator

Answer 3

Between the x-ray tube and skin surface

Question 4

The major advantage of using collimator-mounted compensating filters is:

A) ease of use.
B) can be used for different body areas.
C) provide increased contrast and detail.
D) reduction in radiation exposure to the patient.

Question 5

For which projection would two double-wedge filters be used?

A) AP shoulder
B) Lateral hip
C) AP spine for scoliosis
D) Lateral spine for scoliosis

Question 6

A special-design Ferlic filter would provide an even image density for which of the following projections?
1)AP thoracic spine
2)Lateral C7-T1 (swimmer's method)
3)Lateral hip (Danelius-Miller method)

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

Question 7

The Boomerang filter would provide an even image density for which body area?

A) Hip
B) Chest
C) Shoulder
D) C7-T1 region

Question 8

Which of the following would be considered advantages in using anatomic compensating filters?
1)Reduces radiation exposure to the patient
2)Provides an even image density
3)Increases image contrast and detail

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

Question 9

A trough filter would be used for a:

A) lateral hip.
B) AP shoulder.
C) PA chest.
D) AP thoracic spine.

Question 10

A commonly performed projection that is significantly improved with the use of a compensating filter is the AP:

A) hand.
B) skull.
C) leg.
D) thoracic spine.

Question 11

The most common materials used in the manufacture of compensating filters are:
1)copper.
2)aluminum.
3)high-density plastics.

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

Question 12

A wedge filter would be ideal for which of the following projections?

A) AP chest
B) AP thoracic spine
C) Lateral C7-T1
D) Lateral hip

Question 13

The simplest and most common shape of compensating filter is the:

A) wedge.
B) trough.
C) double-wedge.
D) Boomerang.

Question 14

Which of the following will provide maximum patient safety when using compensating filters?

A) Use two hands to mount a collimator filter.
B) Use two hands to position a contact filter.
C) Use a low-kVp exposure technique.
D) Use a high-mA exposure technique.