ASRT - California Supervisor and Operator Exam

ASRT - California Supervisor and Operator Exam Study Latest Update 2025-2026 Exam 215 Questions with 100% Verified Correct Answers Guaranteed A+

• CORRECT ANSWER: The primary reason filtration is added to the x-ray beam is to

decrease patient dose.

• true
• false

• and 2 - CORRECT ANSWER: (unit 9) Dosimeters should be worn: 1) in the same

place every day. 2) outside a lead apron. 3) between the chest and the neck

• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2 and 3

• and 3 - CORRECT ANSWER: (unit 6) To complete a digital examination for scoliosis

or to study the leg from hip to ankle, the radiographer could choose: 1) stitching. 2) shuttering. 3) a specially designed PSP overlapped cassette

• and 2
• and 3
• and 3

1, 2 and 3

• +/-2% of the SID - CORRECT ANSWER: (unit 2) The light field and the radiation field

must be congruent to within:

• +/-2% of the SID 1 / 4

• +/-5% of the SID
• +/-7% of the SID
• +/-10% of the SID

a. +/-5% - CORRECT ANSWER: (unit 2) Variations between the kVp stated on the

control panel and the kVp measured in the beam must be within:

• +/-5%
• +/-10%
• +/-15%
• +/-20%

• 1 - CORRECT ANSWER: (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

• 1 and 2 - CORRECT ANSWER: (unit 3) Noise can be reduced by: 1) increasing

collimation. 2) using a grid. 3) decreasing technique:

• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2 and 3

• 1 and 2 - CORRECT ANSWER: (unit 6) Order information entered into a technologist

workstation or retrieved from a work list should include, at a minimum, the: 1) modality.2) examination. 3) patient location.

• 1 and 2 2 / 4

• 1 and 3
• 2 and 3
• 1, 2 and 3

• 1 and 2 - CORRECT ANSWER: (unit 6) Vertical resolution of a monitor depends on:

1) line spacing. 2) spot size. 3) bandwidth.

• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2 and 3

a. 1 and 2 - CORRECT ANSWER: (unit 8) Why do PACS workstations use redundant

array of independent discs (RAID) devices? 1) because it can be accessed quickly 2) for large-capacity, near-term storage of images 3) to offer huge capacity for long-term archival

• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2 and 3

a. 1mm aluminum equivalent - CORRECT ANSWER: (unit 2) In order to prevent table

top material from absorbing excessive amounts of radiation before reaching the image receptor, resulting in increased patient dose, the maximum tabletop thickness over the

Bucky assembly should be:

• 1mm aluminum equivalent
• 2.5mm aluminum equivalent
• 2.5mm lead equivalent
• 5mm lead equivalent
• / 4

• 25% - CORRECT ANSWER: (unit 2) The density control function of an AEC unit allow

for changes in radiation exposure of at least ___ for each increment.

• 25%
• 50%
• 75%
• 100%

a. 5 to 10 minutes - CORRECT ANSWER: (unit 13) How soon should you check on

patients after you've placed them in a new position?

• 5 to 10 minutes
• 30 to 45 minutes
• 1 hour
• 2 hours

a. 5% - CORRECT ANSWER: (unit 2) The variability allowed for timer accuracy

LONGER than 10ms is:

• +/-5%
• +/-10%
• +/-15%
• +/-20%

a. 50 mR - CORRECT ANSWER: (unit 2) The ACR specifies that a maximum entrance

exposure for chest views using an ACR phantom should not exceed:

• 50 mR
• 100 mR
• 1100 mR
• 5000 mR
• / 4