IMAGE PRODUCTION
1. Geometric unsharpness is being influence by which of the following?
1. OD
2. Focal- object distance
3. SID
a. l only
b. l and 2 only
c. l and 3 only
d. 1, 2, and 3
2. The aspect of a film-screen system that may be examined by cOnducting a wire mesh test
is the
a Phosphor layer
b. Reflective layer
c. Protective layer
d. Film-screen contact
3. In limiting the production of scattered radiation which method/s is/are considered
effective?
1. Using of low-ratio grids
2. Using the prone position for abdominal exams
3. Restricting the field size to the smallest practical size
a. l and 2 only
b. I and 3 only
c. 2 and3 only
d. 1, 2, and 3
4. Foreshortening can be caused by
a. the radiographic object being placed at an angle to the film
b. excessive distance between the object and the film.
c. insuficient distance between the focus and the film.
d. excessive distance between the focus and the film.
5. The variation in photon distribution between the anode and cathode ends of the x-ray tube
is known as
a. the line focus principle.
b. the anode heel effect.
c. the inverse square law.
d. Bohr's theory.
,6. An incrcase in kilovoltage will serve to
a produce a longer scale of contrast.
b. produces a shorter scale of contrast.
c. decreasesthe radiographic density.
d decrease the production of scatter
radiation.
7. Distortion can be caused by
1. tube angle
2. the position of the organ or structure within the body.
3. the adiographic positioning of the part.
al only
c. 2 and 3 only
a. 1 only
b. 1 and 2 only
c. 2 and 3 only
d. 1,2 and 3
Nathalie — 10/02/2021
8. Which of the following is (are) associated with subject contrast?
1. Patient thickness
2. Tissue density
3. Kilovoltage
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1,2, and 3
9. Which of the following contribute to the radiographic contrast present on the finished rdioe
grap
1. Atomic number of tissues radiographed
2. Any pathologic processes
3. Degree of muscle development
a. l and 2 only
b. l and 3 only
c. 2 and 3 only
d. 1, 2, and 3
,10. Why are single intensifying screen and single-emulsion film used for select radiographic
examinations?
a. To decrease patient dose
b. To achieve longer-scale contrast
c. For better recorded detail
d. To decrease fiscal expenses
11. What is the best way to reduce magnification distortion?
a. Use a small focal spot
b. Increase the SID.
c. Decrease the OID.
d. Use a slow screen / film
12. Misalignment of the tube-part-film relationship results in
a. shape distortion.
b. size distortion.
C. magnification.
d. blur.
13. Which of the following has the greatest effect on radiographic density'?
a. Aluminum filtration
b. Kilovoltage
c. SID
d. Scattered radiation
14. Which of the following have no impact on contrast?
a. photon energy.
b. grid ratio.
c. OD.
d. focal spot size.
15. Which of the following may be used to reduce the effect of scattered radiation on the
finished
1. Grids
2. Collimators
3. Compression bands
a l only
b.l and 3 only
c, 2 and 3 only
d 1.2, and 3
, 16. Which of the following will contribute to the production of longer-scale radiographic
contrast?
1. An increase in kVp
2. An increase in grid ratio
3. An increase in photon energy
a. I only
b. 1 and2 only
c. I and 3 only
d. 1, 2, and 3
17. Recorded detail can be improved by decreasing
1. the SID
2. the OD
3. motion unsharpness
a. l only
b. 3 only
c. 2 and 3 only
d. 1, 2, and 3
18. SID affects recorded detail in which of the following ways?
a. Recorded detail is directly related to SID.
b. Recorded detail is inversely related to SID.
c. As SID increases, recorded detail decreases.
d. SID is not a detail factor.
19. Which of the following have an effect on recorded detail?
1. Focal spot size
2. Type of rectification
3. SID
a. l and 2 only
b. I and 3 only
c. 2 and3 only
d. 1, 2, and 3
20. Types of shape distortion include
1. magnification.
2. clongation.
3. foreshortening.
a. l only
b. l and2 only
c. 2 and 3 only
d. 1, 2, and 3