,Chapter 1: Guidelines for Image Analysis
Multiple-Choice Questions (1–70)
Question 1: The patient demographic requirements for radiographic images include all of the following
except:
A) Patient and facility identification
B) Time and date
C) Radiographic view and position
D) Technologist's identification
Correct Answer: D
Rationale: Patient demographic requirements typically include patient/facility identification, time/date,
and view/position. The technologist's identification is not a standard demographic requirement placed
on the image .
Question 2: Which of the following is true about image markers?
They are radiopaque.
They should be reversed before being placed on the IR.
They should be positioned as close to the median plane as possible.
They will be magnified if positioned on the imaging table or patient.
A) 1 and 3 only
B) 1 and 4 only
C) 2 and 3 only
D) 2 and 4 only
Correct Answer: B
Rationale: Image markers are radiopaque (1) and will be magnified if positioned away from the IR (4).
Markers should NOT be reversed (2 is false), and should be placed to indicate the correct side, not
necessarily near the median plane (3 is false) .
Question 3: What is the marker placement for a lateral projection of the vertebrae?
A) Laterally on the side being identified
B) Anteriorly, identifying the side positioned closer to the IR
C) Anywhere within the exposure field
D) Laterally, identifying the side situated closer to the IR
Correct Answer: B
Rationale: For lateral vertebrae projections, the marker is placed anteriorly, identifying the side
positioned closer to the IR .
Question 4: What is the marker placement for a PA projection of the cranium?
A) Anteriorly on the side being identified
,B) Posteriorly on the side being identified
C) Anywhere within the exposure field
D) Laterally on the side being identified
Correct Answer: A
Rationale: For a PA cranium projection, the marker is placed anteriorly to identify the side .
Question 5: Which guideline should be used to position the identification (ID) plate?
A) Place the ID plate within the collimated field whenever possible
B) Position the ID plate toward the direction in which the central ray was angled
C) Position the ID plate next to the narrowest anatomic structure
D) Position the ID plate outside the exposure field
Correct Answer: C
Rationale: The ID plate should be positioned next to the narrowest anatomic structure to minimize
obscuring anatomy .
Question 6: Elongation occurs in all of the following situations except when the:
A) Part is off-center
B) Central ray is angled with the part
C) Central ray and part are perpendicular but the IR is angled
D) Central ray and IR are perpendicular and the part is angled
Correct Answer: D
Rationale: Elongation does not occur when the central ray and IR are perpendicular and the part is
angled; this produces foreshortening or distortion, not elongation in the same manner .
Question 7: For an open joint space to be obtained, the central ray must be aligned _____ to the joint.
A) Perpendicular
B) Parallel
C) 5 degrees cephalic D) 5 degrees caudal
Correct Answer: B
Rationale: To demonstrate an open joint space, the central ray must be aligned parallel to the joint
surface .
Question 8: When the central ray is angled, the structure situated _____ is projected the most. A)
Farther away from the IR
B) Closer to the IR
C) Proximal to the tube
D) Distal to the tube
Correct Answer: A
Rationale: When the CR is angled, structures farther from the IR are projected more than those closer to
the IR .
, Question 9: Three images were obtained on the same structure with a computed radiography system.
Image 1 used a 48-inch SID and 5-inch OID; Image 2 used 48-inch SID and 3-inch OID; Image 3 used
48inch SID, 3-inch OID, and a larger IR. Which image will demonstrate the sharpest recorded detail?
A) Image 1
B) Image 2
C) Image 3
D) There will be no difference
Correct Answer: B
Rationale: The shortest OID produces the sharpest recorded detail. Image 2 (3-inch OID) will be sharper
than Image 1 (5-inch OID). A larger IR does not improve recorded detail .
Question 10: A small focal spot should be used for each of the following situations except when: A)
Fine detail demonstration is important
B) Extremities are imaged
C) The milliamperage setting is above 300
D) The patient can control motion
Correct Answer: C
Rationale: A small focal spot is not used when the mA setting exceeds the tube's rating for small focal
spot use, typically above 300 mA .
Question 11: An image demonstrating motion and adequate density was obtained using 100 mA at 0.5
seconds. If the time is changed to 0.25 seconds, what mA should be used to maintain the same density?
A) 50 mA
B) 100 mA
C) 200 mA
D) 400 mA
Correct Answer: C
Rationale: To maintain density, mAs must remain constant. 100 mA × 0.5 s = 50 mAs. 50 mAs ÷ 0.25 s =
200 mA .
Question 12: The most common shape distortion is:
A) Foreshortening
B) Elongation
C) Magnification
D) Minification
Correct Answer: B
Rationale: Elongation is the most common shape distortion in radiography .
Multiple-Choice Questions (1–70)
Question 1: The patient demographic requirements for radiographic images include all of the following
except:
A) Patient and facility identification
B) Time and date
C) Radiographic view and position
D) Technologist's identification
Correct Answer: D
Rationale: Patient demographic requirements typically include patient/facility identification, time/date,
and view/position. The technologist's identification is not a standard demographic requirement placed
on the image .
Question 2: Which of the following is true about image markers?
They are radiopaque.
They should be reversed before being placed on the IR.
They should be positioned as close to the median plane as possible.
They will be magnified if positioned on the imaging table or patient.
A) 1 and 3 only
B) 1 and 4 only
C) 2 and 3 only
D) 2 and 4 only
Correct Answer: B
Rationale: Image markers are radiopaque (1) and will be magnified if positioned away from the IR (4).
Markers should NOT be reversed (2 is false), and should be placed to indicate the correct side, not
necessarily near the median plane (3 is false) .
Question 3: What is the marker placement for a lateral projection of the vertebrae?
A) Laterally on the side being identified
B) Anteriorly, identifying the side positioned closer to the IR
C) Anywhere within the exposure field
D) Laterally, identifying the side situated closer to the IR
Correct Answer: B
Rationale: For lateral vertebrae projections, the marker is placed anteriorly, identifying the side
positioned closer to the IR .
Question 4: What is the marker placement for a PA projection of the cranium?
A) Anteriorly on the side being identified
,B) Posteriorly on the side being identified
C) Anywhere within the exposure field
D) Laterally on the side being identified
Correct Answer: A
Rationale: For a PA cranium projection, the marker is placed anteriorly to identify the side .
Question 5: Which guideline should be used to position the identification (ID) plate?
A) Place the ID plate within the collimated field whenever possible
B) Position the ID plate toward the direction in which the central ray was angled
C) Position the ID plate next to the narrowest anatomic structure
D) Position the ID plate outside the exposure field
Correct Answer: C
Rationale: The ID plate should be positioned next to the narrowest anatomic structure to minimize
obscuring anatomy .
Question 6: Elongation occurs in all of the following situations except when the:
A) Part is off-center
B) Central ray is angled with the part
C) Central ray and part are perpendicular but the IR is angled
D) Central ray and IR are perpendicular and the part is angled
Correct Answer: D
Rationale: Elongation does not occur when the central ray and IR are perpendicular and the part is
angled; this produces foreshortening or distortion, not elongation in the same manner .
Question 7: For an open joint space to be obtained, the central ray must be aligned _____ to the joint.
A) Perpendicular
B) Parallel
C) 5 degrees cephalic D) 5 degrees caudal
Correct Answer: B
Rationale: To demonstrate an open joint space, the central ray must be aligned parallel to the joint
surface .
Question 8: When the central ray is angled, the structure situated _____ is projected the most. A)
Farther away from the IR
B) Closer to the IR
C) Proximal to the tube
D) Distal to the tube
Correct Answer: A
Rationale: When the CR is angled, structures farther from the IR are projected more than those closer to
the IR .
, Question 9: Three images were obtained on the same structure with a computed radiography system.
Image 1 used a 48-inch SID and 5-inch OID; Image 2 used 48-inch SID and 3-inch OID; Image 3 used
48inch SID, 3-inch OID, and a larger IR. Which image will demonstrate the sharpest recorded detail?
A) Image 1
B) Image 2
C) Image 3
D) There will be no difference
Correct Answer: B
Rationale: The shortest OID produces the sharpest recorded detail. Image 2 (3-inch OID) will be sharper
than Image 1 (5-inch OID). A larger IR does not improve recorded detail .
Question 10: A small focal spot should be used for each of the following situations except when: A)
Fine detail demonstration is important
B) Extremities are imaged
C) The milliamperage setting is above 300
D) The patient can control motion
Correct Answer: C
Rationale: A small focal spot is not used when the mA setting exceeds the tube's rating for small focal
spot use, typically above 300 mA .
Question 11: An image demonstrating motion and adequate density was obtained using 100 mA at 0.5
seconds. If the time is changed to 0.25 seconds, what mA should be used to maintain the same density?
A) 50 mA
B) 100 mA
C) 200 mA
D) 400 mA
Correct Answer: C
Rationale: To maintain density, mAs must remain constant. 100 mA × 0.5 s = 50 mAs. 50 mAs ÷ 0.25 s =
200 mA .
Question 12: The most common shape distortion is:
A) Foreshortening
B) Elongation
C) Magnification
D) Minification
Correct Answer: B
Rationale: Elongation is the most common shape distortion in radiography .
