kVp expresses which of the following?
A) penetrating quality of the x-ray beam
B) opposite of half value layer
C) phototiming exposure technique
D) radiation quantity
Give this one a try later!
A) penetrating quality of the x-ray beam
Most scatter radiation is produced by the:
A) film
B) x-ray tube
C) cassette
D) patient
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, D) patient
Which of the following factors affects shape distortion?
A) kVp
B) SID
C) central ray-part-film alignment
D) focal spot size
Give this one a try later!
C) central ray-part-film alignment
Which of the following test tool devices is used to check the accuracy of the
exposure timer?
A) wire mesh device
B) spinning top
C) Wisconsin test cassette
D) star pattern test
Give this one a try later!
B) spinning top
What is the time setting if the desired mAs is 75 and if the mA setting is 250?
A) 0.1 second
B) 0.2 second
C) 0.25 second
D) 0.3 second
,Give this one a try later!
D) 0.3 second
( = 0.3)
Which of the following is associated with the use of grids with a higher ratio?
1. Pediatric radiography
2. Higher contrast
3. Decreased patient dose
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2 only
Which of the following accurately describes the function of the input phosphor of an
intensification tube?
A) converts visible light to electrons
B) converts x-rays to visible light
C) converts visible light to x-rays
D) converts electrons to visible light
Give this one a try later!
B) converts x-rays to visible light
Which of the following exposure factors would result in the LEAST focal spot blur?
A) FFS = 0.6 mm; SID = 48 inches; OID = 10 inches
B) FFS = 1.2 mm; SID = 60 inches; OID = 12 inches
, C) FFS = 0.6 mm; SID = 40 inches; OID = 15 inches
D) FFS = 1.2 mm; SID = 72 inches; OID = 20 inches
Give this one a try later!
A) FFS = 0.6 mm; SID = 48 inches; OID = 10 inches
Exposure factors of 80 kVp, 200 mA, 0.1 seconds, and a 200 film-screen speed are
used on an abdominal radiograph. The resulting image is overexposed and it is
determined that the density must be cut in half. Which of the following will accomplish
this?
A) change exposure time to 0.2
B) decrease mA to 150
C) increase the film-screen speed to 400
D) decrease kVp to 70
Give this one a try later!
D) decrease kVp to 70
Which of the following is NOT part of a quality control program of radiographic
equipment?
A) reproducibility
B) linearity
C) positive beam limitation
D) all are part of a QC program
Give this one a try later!
D) all are part of a QC program
A) penetrating quality of the x-ray beam
B) opposite of half value layer
C) phototiming exposure technique
D) radiation quantity
Give this one a try later!
A) penetrating quality of the x-ray beam
Most scatter radiation is produced by the:
A) film
B) x-ray tube
C) cassette
D) patient
Give this one a try later!
, D) patient
Which of the following factors affects shape distortion?
A) kVp
B) SID
C) central ray-part-film alignment
D) focal spot size
Give this one a try later!
C) central ray-part-film alignment
Which of the following test tool devices is used to check the accuracy of the
exposure timer?
A) wire mesh device
B) spinning top
C) Wisconsin test cassette
D) star pattern test
Give this one a try later!
B) spinning top
What is the time setting if the desired mAs is 75 and if the mA setting is 250?
A) 0.1 second
B) 0.2 second
C) 0.25 second
D) 0.3 second
,Give this one a try later!
D) 0.3 second
( = 0.3)
Which of the following is associated with the use of grids with a higher ratio?
1. Pediatric radiography
2. Higher contrast
3. Decreased patient dose
Give this one a try later!
2 only
Which of the following accurately describes the function of the input phosphor of an
intensification tube?
A) converts visible light to electrons
B) converts x-rays to visible light
C) converts visible light to x-rays
D) converts electrons to visible light
Give this one a try later!
B) converts x-rays to visible light
Which of the following exposure factors would result in the LEAST focal spot blur?
A) FFS = 0.6 mm; SID = 48 inches; OID = 10 inches
B) FFS = 1.2 mm; SID = 60 inches; OID = 12 inches
, C) FFS = 0.6 mm; SID = 40 inches; OID = 15 inches
D) FFS = 1.2 mm; SID = 72 inches; OID = 20 inches
Give this one a try later!
A) FFS = 0.6 mm; SID = 48 inches; OID = 10 inches
Exposure factors of 80 kVp, 200 mA, 0.1 seconds, and a 200 film-screen speed are
used on an abdominal radiograph. The resulting image is overexposed and it is
determined that the density must be cut in half. Which of the following will accomplish
this?
A) change exposure time to 0.2
B) decrease mA to 150
C) increase the film-screen speed to 400
D) decrease kVp to 70
Give this one a try later!
D) decrease kVp to 70
Which of the following is NOT part of a quality control program of radiographic
equipment?
A) reproducibility
B) linearity
C) positive beam limitation
D) all are part of a QC program
Give this one a try later!
D) all are part of a QC program
