Question 1

The visibility of anatomic structures in a radiographic image is determined by:

Accepted Answer

A)  spatial resolution and image contrast. 
B)  brightness/density and image contrast. 
C)  spatial resolution and brightness/density. 
D)  all of the above.

Question 2

The amount of overall blackness on the processed image is the:

Accepted Answer

A)  density. 
B)  contrast. 
C)  SID. 
D)  brightness.

Question 3

______________ is a universal standard value that reflects the difference between the desired or target exposure to the IR and the actual exposure to the IR.

Accepted Answer

A)  Exposure index 
B)  Sensitivity number 
C)  Deviation index 
D)  Log median number

Question 4

A film-screen image produced using 16 mAs at 80 kVp has to be repeated because it is too dark.Which of the following exposure factors would be the best choice to correct the problem?

Accepted Answer

A)  4 mAs at 80 kVp 
B)  8 mAs at 80 kVp 
C)  8 mAs at 68 kVp 
D)  16 mAs at 68 kVp

Question 5

A digital image with increased distortion may be due to:
1)Decreased OID
2)Increased CR angulation
3)Decreased SID

Accepted Answer

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

Exam 9: Image Evaluation

The visibility of anatomic structures in a radiographic image is determined by:

The amount of overall blackness on the processed image is the:

______________ is a universal standard value that reflects the difference between the desired or target exposure to the IR and the actual exposure to the IR.

A film-screen image produced using 16 mAs at 80 kVp has to be repeated because it is too dark.Which of the following exposure factors would be the best choice to correct the problem?

A digital image with increased distortion may be due to: 1) Decreased OID 2) Increased CR angulation 3) Decreased SID