LRA 218 FINAL EXAM | COMPLETE QUESTIONS WITH 100% RATED
EXPERT SOLUTIONS |2026 LATEST UPDATED
What is the correct patient position for a PA projection of the hand? - (answer)Hand open, palmar
surface in contact with the IR, fingers moderately separated
The routine examination of the hand includes which projections? - (answer)PA, PA oblique-
lateral rotation, and lateral
Which IR size is typically used for imaging the hand in a PA projection? - (answer)8 x 10 inches
For a PA projection of the hand, where should the central ray (CR) be directed? - (answer)Third
metacarpophalangeal joint
Which structure is best demonstrated in the PA oblique-lateral rotation projection of the hand? -
(answer)Metacarpals without overlap
For a lateral projection of the 2nd digit, which part position is recommended? - (answer)Lateral
side of hand in contact with IR, affected finger extended
,What structure is visualized in profile during a lateral projection of the thumb? - (answer)First
metacarpal joint space
How is the patient's arm positioned for an AP projection of the thumb? - (answer)Dorsal surface
of the thumb in contact with IR
What is the central ray direction for a PA wrist projection? - (answer)Perpendicular to the
midcarpal area
Which structure is best demonstrated in a PA oblique wrist projection with lateral rotation? -
(answer)Scaphoid
For the AP projection of the forearm, how should the hand be positioned? - (answer)Supinated
When performing an AP projection of the elbow, where should the central ray be directed? -
(answer)Mid-elbow joint
In which projection is the elbow flexed 90 degrees with the hand resting in lateral positioning? -
(answer)Lateral
, What anatomical structure is demonstrated in profile during a lateral wrist projection? -
(answer)Radius and ulna superimposed
In a PA oblique projection of the hand, what is the degree of rotation? - (answer)45 degrees
Which positioning maneuver is used to prevent overlap of the radius and ulna on an AP
projection of the forearm? - (answer)Supination of the hand
What structure is best visualized in the transthoracic lateral projection of the humerus? -
(answer)Entire humeral shaft
For a PA projection of the wrist, why are the fingers flexed? - (answer)To keep the wrist in
contact with the IR
In an AP elbow projection with partial flexion and a forearm positioned parallel to the image
receptor, which structure is seen distorted on the radiograph? - (answer)Distal humerus
In the lateral elbow projection, what position should the humeral epicondyles be in? -
(answer)Perpendicular to the IR
EXPERT SOLUTIONS |2026 LATEST UPDATED
What is the correct patient position for a PA projection of the hand? - (answer)Hand open, palmar
surface in contact with the IR, fingers moderately separated
The routine examination of the hand includes which projections? - (answer)PA, PA oblique-
lateral rotation, and lateral
Which IR size is typically used for imaging the hand in a PA projection? - (answer)8 x 10 inches
For a PA projection of the hand, where should the central ray (CR) be directed? - (answer)Third
metacarpophalangeal joint
Which structure is best demonstrated in the PA oblique-lateral rotation projection of the hand? -
(answer)Metacarpals without overlap
For a lateral projection of the 2nd digit, which part position is recommended? - (answer)Lateral
side of hand in contact with IR, affected finger extended
,What structure is visualized in profile during a lateral projection of the thumb? - (answer)First
metacarpal joint space
How is the patient's arm positioned for an AP projection of the thumb? - (answer)Dorsal surface
of the thumb in contact with IR
What is the central ray direction for a PA wrist projection? - (answer)Perpendicular to the
midcarpal area
Which structure is best demonstrated in a PA oblique wrist projection with lateral rotation? -
(answer)Scaphoid
For the AP projection of the forearm, how should the hand be positioned? - (answer)Supinated
When performing an AP projection of the elbow, where should the central ray be directed? -
(answer)Mid-elbow joint
In which projection is the elbow flexed 90 degrees with the hand resting in lateral positioning? -
(answer)Lateral
, What anatomical structure is demonstrated in profile during a lateral wrist projection? -
(answer)Radius and ulna superimposed
In a PA oblique projection of the hand, what is the degree of rotation? - (answer)45 degrees
Which positioning maneuver is used to prevent overlap of the radius and ulna on an AP
projection of the forearm? - (answer)Supination of the hand
What structure is best visualized in the transthoracic lateral projection of the humerus? -
(answer)Entire humeral shaft
For a PA projection of the wrist, why are the fingers flexed? - (answer)To keep the wrist in
contact with the IR
In an AP elbow projection with partial flexion and a forearm positioned parallel to the image
receptor, which structure is seen distorted on the radiograph? - (answer)Distal humerus
In the lateral elbow projection, what position should the humeral epicondyles be in? -
(answer)Perpendicular to the IR
