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CALIFORNIA SUPERVISOR AND OPERATOR
ASRT NEWEST 2025 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+
(unit 2) Which device is used to evaluate the degree of focal spot blooming ?
- Wisconsin Test Cassette
- Pinhole camera
- Digital dosimeter
- Scintillation tube - ANSWER-b. Pinhole camera
(unit 2) The focal spot size should be determined on acceptance
testing and then evaluated:
- Monthly
- Quarterly
- Semiannually
- annually - ANSWER-d. annually 1 / 4
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(unit 2) The light field and the radiation field must be congruent
to within:
- +/-2% of the SID
- +/-5% of the SID
- +/-7% of the SID
- +/-10% of the SID - ANSWER-a. +/-2% of the SID
(unit 2) Image receptor-radiation field alignment can be
evaluated using:
- A star resolution pattern
- A pinhole camera
- The eight-penny test
- The Wisconsin test cassette - ANSWER-c. The eight-penny
test
(unit 2) Another term for automatic collimation is:
- Positive beam limitation
- Scintillation
- Congruence
- perpendicularity - ANSWER-a. Positive beam limitation 2 / 4
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(unit 2) The illumination of the x-ray tube light source at 100cm
must be at least:
- 40 lux
- 80 lux
- 120 lux
- 160 lux - ANSWER-d. 160 lux
(unit 2) The x-ray tube must be mounted in its housing so that the central ray of the x-ray beam is within ___ degree of perpendicular.
- 1
- 2
- 3
- 4 - ANSWER-a. 1
(unit 2) The overload protection mechanism of an x-ray generator should not permit an exposure that exceeds ___ of the tube capacity for a single exposure.
- 50%
- 60% 3 / 4
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- 70%
- 80% - ANSWER-d. 80%
(unit 2) The most common type of sensor found in AEC systems
is the:
- Photodetector
- Ion chamber
- Solid-state detector
- photocell - ANSWER-b. Ion chamber
(unit 2) It is estimated that more than ___ of all hospital radiology departments have radiographic equipment that uses an AEC system.
- 30%
- 50%
- 60%
- 90% - ANSWER-c. 60%
(unit 2) The backup timer should terminate the exposure within
6 seconds or:
- 200 mAs
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