ARRT Registry Procedures Questions
and Answers | Latest Version |
2025/2026 | Correct & Verified
What is the first step in preparing a sterile field?
✔✔Perform a thorough hand scrub and don sterile gloves.
Which patient position is most commonly used for a lateral lumbar spine X-ray?
✔✔Lateral recumbent position with knees flexed.
Before administering contrast media, what should the technologist verify?
✔✔Patient allergies, renal function, and informed consent.
Which technique is used to reduce patient motion during extremity imaging?
✔✔Use of immobilization devices and clear patient instructions.
What is the primary purpose of a grid in radiography?
✔✔To reduce scatter radiation and improve image contrast.
1
,Which body position best demonstrates the frontal sinuses?
✔✔Parietoacanthial (Waters) position.
What should a technologist do if the patient experiences a contrast reaction?
✔✔Stop the injection, monitor vital signs, and follow emergency protocols.
Which projection is best for visualizing the intervertebral foramina of the cervical spine?
✔✔45-degree oblique projection.
How is the central ray directed for a PA chest X-ray?
✔✔Perpendicular to the IR at the level of T7.
What is the main reason for using high kVp in chest radiography?
✔✔To penetrate the thoracic structures and produce uniform density.
Which projection is recommended for detecting a small pneumothorax?
✔✔Erect lateral or PA chest projection.
2
,How is the patient positioned for an AP shoulder projection?
✔✔Supine or upright with the arm in neutral rotation.
What is the proper sequence for a contrast-enhanced CT scan?
✔✔Scout images, pre-contrast scan, contrast injection, post-contrast scan.
Which imaging technique is preferred for detecting kidney stones?
✔✔Non-contrast CT of the abdomen and pelvis.
How should the IR be positioned for a lateral skull X-ray?
✔✔Perpendicular to the central ray, with the midsagittal plane parallel to the IR.
Which projection best demonstrates the maxillary sinuses?
✔✔Parietoacanthial (Waters) projection.
What is the recommended SID for a standard chest X-ray?
✔✔72 inches to reduce magnification.
3
, Which patient position is required for an AP pelvis projection?
✔✔Supine with legs internally rotated 15–20 degrees.
What is the first step in performing a sterile invasive procedure?
✔✔Verify patient identity, explain the procedure, and obtain consent.
How should a technologist position a patient for an AP knee X-ray?
✔✔Supine with the knee extended and patella facing upward.
Which projection is ideal for demonstrating the scaphoid bone?
✔✔PA wrist with ulnar deviation.
What precaution is necessary when imaging a patient with a spinal injury?
✔✔Maintain spinal immobilization and avoid unnecessary movement.
How is the central ray directed for a lateral cervical spine X-ray?
✔✔Perpendicular to C4 with a slight caudal angle if needed.
4
and Answers | Latest Version |
2025/2026 | Correct & Verified
What is the first step in preparing a sterile field?
✔✔Perform a thorough hand scrub and don sterile gloves.
Which patient position is most commonly used for a lateral lumbar spine X-ray?
✔✔Lateral recumbent position with knees flexed.
Before administering contrast media, what should the technologist verify?
✔✔Patient allergies, renal function, and informed consent.
Which technique is used to reduce patient motion during extremity imaging?
✔✔Use of immobilization devices and clear patient instructions.
What is the primary purpose of a grid in radiography?
✔✔To reduce scatter radiation and improve image contrast.
1
,Which body position best demonstrates the frontal sinuses?
✔✔Parietoacanthial (Waters) position.
What should a technologist do if the patient experiences a contrast reaction?
✔✔Stop the injection, monitor vital signs, and follow emergency protocols.
Which projection is best for visualizing the intervertebral foramina of the cervical spine?
✔✔45-degree oblique projection.
How is the central ray directed for a PA chest X-ray?
✔✔Perpendicular to the IR at the level of T7.
What is the main reason for using high kVp in chest radiography?
✔✔To penetrate the thoracic structures and produce uniform density.
Which projection is recommended for detecting a small pneumothorax?
✔✔Erect lateral or PA chest projection.
2
,How is the patient positioned for an AP shoulder projection?
✔✔Supine or upright with the arm in neutral rotation.
What is the proper sequence for a contrast-enhanced CT scan?
✔✔Scout images, pre-contrast scan, contrast injection, post-contrast scan.
Which imaging technique is preferred for detecting kidney stones?
✔✔Non-contrast CT of the abdomen and pelvis.
How should the IR be positioned for a lateral skull X-ray?
✔✔Perpendicular to the central ray, with the midsagittal plane parallel to the IR.
Which projection best demonstrates the maxillary sinuses?
✔✔Parietoacanthial (Waters) projection.
What is the recommended SID for a standard chest X-ray?
✔✔72 inches to reduce magnification.
3
, Which patient position is required for an AP pelvis projection?
✔✔Supine with legs internally rotated 15–20 degrees.
What is the first step in performing a sterile invasive procedure?
✔✔Verify patient identity, explain the procedure, and obtain consent.
How should a technologist position a patient for an AP knee X-ray?
✔✔Supine with the knee extended and patella facing upward.
Which projection is ideal for demonstrating the scaphoid bone?
✔✔PA wrist with ulnar deviation.
What precaution is necessary when imaging a patient with a spinal injury?
✔✔Maintain spinal immobilization and avoid unnecessary movement.
How is the central ray directed for a lateral cervical spine X-ray?
✔✔Perpendicular to C4 with a slight caudal angle if needed.
4
