ARRT Procedures-Upper Extremity
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the recommended patient position for a PA hand radiograph?
✔✔Patient seated with the forearm resting on the table and the palm flat on the IR.
Which projection best demonstrates the scaphoid bone without superimposition?
✔✔PA with ulnar deviation of the wrist.
What is the CR location for a lateral elbow projection?
✔✔Perpendicular to the lateral epicondyle of the humerus.
How should fingers be positioned for an AP thumb projection?
✔✔Thumb extended and abducted from the hand, with the palmar surface down on the IR.
Which projection is preferred for detecting subtle fractures of the distal radius?
✔✔PA wrist with slight ulnar deviation.
1
,How should the humerus be positioned for an AP shoulder radiograph?
✔✔Epicondyles parallel to the IR.
What is the CR direction for an AP forearm radiograph?
✔✔Perpendicular to the midpoint of the forearm.
Which projection is used to evaluate the carpal tunnel?
✔✔Tangential (Gaynor-Hart) projection of the wrist.
How should the patient be positioned for a lateral hand projection?
✔✔Elbow flexed 90 degrees, hand and fingers extended in a true lateral with thumb side up.
Which projection best visualizes the olecranon process?
✔✔AP oblique elbow with medial rotation.
What is the primary purpose of performing PA oblique hand projections?
✔✔To evaluate the interphalangeal joints and metacarpals for fractures or pathology.
2
,Where is the CR directed for a lateral forearm projection?
✔✔Midpoint of the forearm.
Which projection demonstrates the first carpometacarpal joint clearly?
✔✔AP or PA thumb.
How should the wrist be positioned for a lateral projection?
✔✔Elbow flexed 90 degrees, wrist in lateral position with radius and ulna superimposed.
Which projection is most effective for assessing the distal humerus in trauma?
✔✔AP elbow with partial flexion if patient cannot fully extend.
How should the fingers be positioned for an oblique hand projection?
✔✔Hand rotated 45 degrees with fingers slightly separated.
What is the CR for a PA wrist projection?
✔✔Perpendicular to the midcarpal area.
3
, Which projection best demonstrates Bennett fractures?
✔✔AP thumb with slight angle toward the wrist.
How should the patient be positioned for a lateral elbow when trauma prevents full extension?
✔✔Perform a partial flexion lateral with humerus and forearm in two separate exposures if
needed.
Which projection demonstrates the radial head and neck free of superimposition?
✔✔AP oblique elbow with lateral rotation.
How is the hand positioned for a fan lateral projection?
✔✔Palm down, fingers spread like a fan with the thumb slightly elevated.
What is the CR location for an AP shoulder with internal rotation?
✔✔1 inch inferior to the coracoid process.
Which projection is used to detect dislocation of the metacarpophalangeal joints?
✔✔PA hand with slight flexion of fingers.
4
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the recommended patient position for a PA hand radiograph?
✔✔Patient seated with the forearm resting on the table and the palm flat on the IR.
Which projection best demonstrates the scaphoid bone without superimposition?
✔✔PA with ulnar deviation of the wrist.
What is the CR location for a lateral elbow projection?
✔✔Perpendicular to the lateral epicondyle of the humerus.
How should fingers be positioned for an AP thumb projection?
✔✔Thumb extended and abducted from the hand, with the palmar surface down on the IR.
Which projection is preferred for detecting subtle fractures of the distal radius?
✔✔PA wrist with slight ulnar deviation.
1
,How should the humerus be positioned for an AP shoulder radiograph?
✔✔Epicondyles parallel to the IR.
What is the CR direction for an AP forearm radiograph?
✔✔Perpendicular to the midpoint of the forearm.
Which projection is used to evaluate the carpal tunnel?
✔✔Tangential (Gaynor-Hart) projection of the wrist.
How should the patient be positioned for a lateral hand projection?
✔✔Elbow flexed 90 degrees, hand and fingers extended in a true lateral with thumb side up.
Which projection best visualizes the olecranon process?
✔✔AP oblique elbow with medial rotation.
What is the primary purpose of performing PA oblique hand projections?
✔✔To evaluate the interphalangeal joints and metacarpals for fractures or pathology.
2
,Where is the CR directed for a lateral forearm projection?
✔✔Midpoint of the forearm.
Which projection demonstrates the first carpometacarpal joint clearly?
✔✔AP or PA thumb.
How should the wrist be positioned for a lateral projection?
✔✔Elbow flexed 90 degrees, wrist in lateral position with radius and ulna superimposed.
Which projection is most effective for assessing the distal humerus in trauma?
✔✔AP elbow with partial flexion if patient cannot fully extend.
How should the fingers be positioned for an oblique hand projection?
✔✔Hand rotated 45 degrees with fingers slightly separated.
What is the CR for a PA wrist projection?
✔✔Perpendicular to the midcarpal area.
3
, Which projection best demonstrates Bennett fractures?
✔✔AP thumb with slight angle toward the wrist.
How should the patient be positioned for a lateral elbow when trauma prevents full extension?
✔✔Perform a partial flexion lateral with humerus and forearm in two separate exposures if
needed.
Which projection demonstrates the radial head and neck free of superimposition?
✔✔AP oblique elbow with lateral rotation.
How is the hand positioned for a fan lateral projection?
✔✔Palm down, fingers spread like a fan with the thumb slightly elevated.
What is the CR location for an AP shoulder with internal rotation?
✔✔1 inch inferior to the coracoid process.
Which projection is used to detect dislocation of the metacarpophalangeal joints?
✔✔PA hand with slight flexion of fingers.
4
