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44 terms

course 106 B

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When radiographing the fingers, what anatomy should be included?
Distal portion of the metacarpals and phalanges
Which projection and position of the shoulder demonstrates the greater tubercle of the humerus in profile?
AP external rotation
Where is the CR center point for the AP projection of the thumb?
Metacarpal phalange
In radiography of the forearm, it is important to:
Include both joints
Which surface of the elbow is in contact with the IR when taking an AP projection of the elbow?
Posterior
Which carpal bones are best demonstrated on the AP oblique projection of the wrist in medial rotation?
Pisiform, lunate
Which surface of the hand should be in contact with the IR for the PA projection?
Anterior surface/ Palmer surface
What is the position of the wrist for the PA oblique projection?
45 degree angle, coronal plane
Which joints must be inncluded in an AP projection of the forearm?
Wrist and elbow joints
What is the center point of the CR for the PA projection of the hand?
3rd metacarpal phalangeal joint
What is the proper patient position for the AP projection of the forearm?
Arm extended, arm supinated with posterior surface in contact with the IR
What is the relationship of the humeral epicondyles with the IR for the AP projection of the shoulder in internal rotation?
Perpendicular to the IR
What is the proper patient position for the lateral projection of hte scapula in the upright position?
Anteior oblique, body positioned to the affected side (nearest to the IR)
To demonstrate the blade (body) of the scapula, how should the patient's arm be positioned?
Arm abducted, at right angle
On the lateral projection of the scapula, what anatomy is best demonstrated when the patient's arm is positioned with the forearm behind the back with 90 degree flexion of the elbow?
Coracoid and Acromion Process
Which of the following positioning strategies will help demonstrate the interphalangeal joints on the PA oblique projection of the hand?
Stair step sponge
Which special projections can be used to demonstrate the scaphoid carpal bone?
Stretcher method and ulnar deviation
Which of the following describes the proper method to position the humerus for an AP projection?
Arm abduct with palm of the hand supinated , coronal plane of the humeral epicondyle parallel to the IR
Which surface of the hand should be in contact with the IR for the lateral projection of the 5th(pinky) digit?
Medial
Where is the CR entrance point for the AP projections of the shoulder?
1in. medial, 1in. corocoid
To demonstrate the interphalangeal joint spaces, how must the finger be positioned for the PA oblique and lateral projections?
Fingers must be extended and parallel to the IR
Which of the following describes the proper position of the forearm when taking a lateral projection of the forearm?
Elbow flexed 90 degrees with medial surface contact with the IR
What is the required position for an AP projection of the AC joints?
Standing
What anatomy is best demonstrated on the AP oblique projection in 45 degrees medial rotation? of the elbow?
Coronoid of the ulna and trochlea of the radius
Where is the CR center point for the PA projection of the 2nd digit?
Proximal IP joint
Which position strategy wil place the wrist in closer contact with the IR for the PA projection of the wrist?
Loose fist
What is the proper CR angle and direction on the PA axial projection of the clavicle?
15 degrees- 30 degrees caudad
What are the proper patient instructions for AP projection of hte shoulder?
Stop breathing, do not move
What specific anatomy is demonstrated without super-impositon in the AP oblique projection in 45 degree lateral oblique position of the elbow?
Radial head and capitulum
What anatomy is best demonstrated in the AP projection of the shoulder in internal rotation?
Lesser tubercle
What is the advantage of imaging the clavicle using PA projections?
Decrease in the distance of IR
Which surface of the wrist is in contact with the IR for the PA projection of the wrist?
Anterior surface
What is the proper CR angle and directin on the AP axial projection of the clavicle?
AP 15- 30 degrees Cephalad
What is the position of the thumb on a PA projection of the hand?
Oblique
Which surface of the hand is in contact with the IR for the lateral projection of the hand?
Medial
What is the proper position of the wrist , for the lateral projection?
Medial surface in contact with coronal plane perpindicular
What is the proper relationship of the humeral epicondyles with the IR for the lateral projection of the humerus?
Perpendicular
What are the proper patient instructions for the trasnthoracic lateral projection of the shoulder?
Use breathing technique (slow breathing)
What is the purpose of radiographic examination of the AC joints?
Position of bones for ligament positioning
What is the proper patient position for AP projection of hte scapula?
Arm abducted humerus perpendicular to midsaggital plane elbow 90 degrees
Which projections may be used to image the elbow joint when the patient is unable to extend the elbow?
AP proximal forearm, AP distal humerus
Which surface of the forearm is in contact with the IR when radiographing the forearm in a lateral position?
Medial surface
What is the relationship of the humeral epicondyles with the IR for the AP projection of the shoulder in external rotation?
Parallel
Which projection of the thumb will result in a more magnified image because of the increase in OID?
PA