Which observation suggests chest rotation on a lateral chest projection?
More than 0.5 in of space between the right and left posterior ribs
Which finding on a PA chest projection suggest that the patient is rotated?
Unequal distance between the vertebral column and sternal ends of the clavicle
Which guideline for a patient positioning would the tech follow to avoid superimposition of humeral soft tissue on the anterior lung apices on a lateral chest?
Raise the patients arms above the head, with the forearms crossed and resting on the head
Which finding suggests adequate lung aeration on an AP right lateral decubitus projection?
At least 9 posterior ribs demonstrated above the diaphragm
Which timing is correct for taking the exposure when obtaining an abdominal AP projection?
At the end of expiration
Which patient position would the tech use to avoid superimposition of the scapulae over the lung fields on a supine AP chest?
Place the back of the hands low on the hips, and rotate the elbows and shoulders anteriorly
Which type of device should be removed or shifted out of the lung field before obtaining a chest projection?
-Electrocardiographic leads
-Enteral feeding tubes
-Oxygen tubing
Which body habitus requires that the 17-in size placed lengthwise while the 14 in field size be placed crosswise for a PA chest?
-Asthenic
-Sthenic
-Hyposthenic
Which suspected condition can be performed using a left lateral decubitus chest projection?
-Pneumothorax
-Pleural Effusion
Which action would the tech take when a patients chest indicates that a central venous catheter tip is placed in the right ventricle?
Notify the attending physician
Which statement help explain why the heart appears larger on an AP chest than on a PA?
The SID is 55 in
Which condition can prevent full expansion of the lungs when performing a chest projection?
-Advanced Pregnancy
-Excessive obesity
-Confining clothing
Which chest radiographic projection makes the left hemidiaphragm appear lower than the right hemidiaphragm?
-Right lateral
Which correction would the tech apply when a large amount of bowel gas results in image receptor overexposure on an AP projection of the abdomen in a supine patient reporting abdominal cramps and diarrhea?
Decrease the exposure (mAs) by 30%
Which position/ projection is best for identifying free air in the peritoneal cavity on an abdominal projection in a patient with severe abdominal pain?
Upright AP
Which radiographic projection would be ordered to detect free intraperitoneal air in the abdominal cavity?
-Left lateral decubitus
-AP Chest
-PA Chest
Which abnormality would the tech suspect when unequal distances are noted between the vertebral pedicles and the spinous processes on an abdominal projection obtained in a patient reporting diarrhea?
-Scoliosis
-Patient rotation
Which condition is managed with anterior placement of a pleural drainage catheter?
Pneumothorax
Which suspected condition would warrant an order for an expiration PA chest projection?
Pneumothorax
Which variation in standard positioning of a patient may be required to prevent rotation when obtaining a chest projection in a woman with a unilateral mastectomy?
Place the side with the removed breast at a greater OID than the opposite side
Which guideline applies to AP abdominal projections performed in children?
-With the patient in the supine position, the eleventh thoracic vertebrae and the symphysis pubis should be included in the exposure field
-With the patient in the upright position, the 3rd lumbar vertebrae should be at the center of the exposure field
-The sacrum should be centered within the pelvic inlet
Which device is used to measure pulmonary artery pressures?
Swan-Ganz catheter
Which timing is correct for taking the exposure on a chest projection to optimize the appearance of a vascular lung markings in a patient on a conventional ventilator?
When the ventilator pressure reaches its highest level
Which radiogrpahic feature provides a means of differentiating the left lung from the right lung?
-Prescence of a gastric bubble under the hemidiaphragm
-Outline of the superior heart shadow visible in the left thorax
Which anatomical feature is the key to differentiate between the posterior and anterior radial margins on a PA of the wrist?
Distal radioulnar articulation
Which findings indicates that a finger was rotated more than the required 45 degrees during imaging?
The soft tissue width on one side of the digit is twice that of the other
Which position would the radius be observed in when the wrist and distal forearm are internally rotated instead of being in a lateral projection?
Anterior to the ulna
Which technique is effective in demonstrating the fingers without superimposition on a lateral hand projection?
Fanning the fingers
Which error in positioning would account for the tech's observation of a PA oblique finger projection of the intended lateral projection?
Inadequate rotation of the finger
Which projection is used to demonstrate a lateral proximal humeral fracture?
Scapular Y, PA Axial projection
Which elbow projection is specially used to demonstrate fractures of the radial head and capitulum?
Radial Axiolateral
Which adjustment is used if the radiographic image of the lateral projection of the thumb shows that the 1st proximal MC is slightly superimposed by the 2nd proximal MC?
Abducting the thumb, drawing it away from the 2nd finger
Which hand position is observed if the MC midshafts are not superimposed and the 2nd MC is found anterior to the 3-5 MC in a lateral projection?
Internal hand rotation
Which action is necessary for obtaining a proper lateral projection of the distal humerus to assess a fracture?
Slide the IR under the patients arm
Which finding indicates an elbow injury based on fat pad appearance in lateral elbow projections?
The posterior fat pad is visible proximal to the olecranon
Which anatomical structure can be observed between the MC bone and IP Joint in an accurately positioned pediatric lateral thumb projection?
-Proximal Phalanx
-Epiphyseal plate
-MCP Joint
Which consequence is observed if the CR angle exceeds the recommended 15 degrees in a tangential, inferosuperior projection of the wrist?
The carpal bones are projected into the wrist
Which conclusion would the tech draw after observing an increase in the midshaft concavity and soft tissue width on the anterior thumb, as well as a decrease in concavity and soft tissue width on the posterior thumb surface when evaluating a PA oblique projection?
The hand was not placed flat against the IR and the thumb rotated closer to lateral projection
Which adjustment would the tech make to improve the alignment of the radial head and coronoid process when a radiographic projection shows the radial head positioned too far anteriorly to the coronoid process on a lateral elbow?
Elevate the proximal humerus
Which correction would the tech make after observing superimposition of the midshaft of the 4 and 5 MC while examining a PA oblique projection of a hand when the hand was placed at more than 45 degrees of obliquity, the phalanges were foreshortened and the IP joint spaces were closed?
-Rotate the hand internally and extend fingers
-Form a 45 degree angle between teh MC and IR
-Place fingers parallel to the IR
Which correction method would be used by the tech when concavity is demonstrated on both sides of the middle and proximal phalangeal midshafts on a lateral finger projection?
Increase the degree of finger rotation
Which corrective action would the tech take is the radiographic analysis shows the distal radius anterior to the ulna, with the radial head positioned posterior to the coronoid process during forearm examination in the lateral projection?
-Externally rotate the wrist
-Increase the elbow rotation
Which effect occurs from inaccurately centering the CR proximal to the elbow joint spaces during an AP lateral oblique elbow projection?
The distal humerus projected into the joints
Which conclusion would the tech arrive at when reviewing PA Finger image and observing that the right side of the finger shows greater soft tissue width?
The anterior surface was rotated toward the right side
Which issue will arise if the hand is rotated medially during a PA Oblique projection of the thumb, instead of positioned flat against the IR?
-Thumb tilts downwardly
-The IP joint space closes
-The phalanges are foreshortened
Which approach would a tech use to ensure accurate imaging when a patient cannot fully extend their elbow for an AP Projection?
Use 2 separate exposures for each joint alignment
Which positioning correctly aligns the scaphotrapezium and scaphotrapezoidal joint spaces in a PA axial projection of the wrist for ulnar deviation?
-15 degree proximal CR angle
-Hand pronated and fully extended
On a hand projection, a tech observes unequal midshaft concavity on either side of the phalanges and MC including uneven spacing of the MC head, and notes the hand was slightly rotated externally and less than 1 in of the distal forearm was included on the projection
-Increase the longitudinal collimation by 0.5 in
-Place the palm and fingers flat against the IR
Which bone appears like a cone with the wide end posteriorly situated and the pointed end anteriorly
Trapezoid
Which conclusion would the tech draw about the relative position of the anterior portion of the radial head to the coronoid process when examining a radiographic image of an elbow and observing that the proximal humerus is elevated, preventing proper humeral epicondyle alignment?
Posterior
Which positioning technique would a tech use for an AP projection of the humerus when the fracture site is near the shoulder joint and external rotation is contraindicated due to potential nerve damage?
Rotate the body toward the affected humerus by 35-40 degrees
Which technique ensures proper imaging when performing a mediolateral projection of the torso in a PA projection?
Keep the torso in a strict upright PA projection
Which consequence is observed if the CR angle exceeds the recommended 15 degrees in a tangential inferosuperior projection of the wrist?
The carpal bones are projected into the wrist
In which order would the anatomical structures in lateral finger projection occur, based on their proximity to the MCP joint when accurately positioned on an IR?
Proximal, Proximal IP Joint, Middle, Distal IP Joint, Distal Phalanx
Which term describes the position of the scapula in the Neer method?
Lateral
Which cephalic angulation would the tech use for an AP Axial projection of the clavicle?
15 degree
Which range indicates the angle at which the torso would be rotated for an AP oblique projection to image the glenoid cavity?
35-45 degrees
Which finding would the tech expect in an AP Oblique shoulder projection of a patient whose injury necessitated leaning against the IR?
Increased superimposition of the thorax on the glenoid
Which position describes the humerus in an AP projection to image the scapula?
Abducted
Which statement describes the glenoid cavity in an AP projection imaging the scapula?
Anterior and Posterior margins are almost superimposed
Which amount of superimposition of the coracoid process on the humeral head is correct for a Grashey projection?
0.25 in
Which structure is included within the exposure field of an AP oblique projection of the shoulder using the Grashey method?
-Glenoid cavity
-Coracoid
-Humeral head
-Lateral clavicle
Which positioning of the humerus provides for an optimal AP shoulder projection?
External rotation until the epicondyles are parallel with the IR
Which change would the tech make when the medial portion of the scapula, that is superimposed on the thoracic cavity, needs more contrast in an AP projection of the scapula?
Take the exposure upon expiration
Which defect would most likely be seen in a tangential shoulder projection in a patient with a torn rotator cuff?
Spur
In which position, relative to the shoulder, would the tech place the elbow when imaging a patient, with an anterior glenohumeral dislocation, using an AP axial shoulder projection?
Medial
Which purpose is served by imaging the shoulder joint before and after the patient bears 5-8 pound weights in each arm?
Assessing injury to the acromial joint
Which positioning methods would be used on a patient when an image of the scapular body is needed with minimal transverse and longitudinal foreshortening?
-Midcoronal plane parallel with the IR
-Shoulder centered to the upright IR
Which adjustment would the tech make for an AP clavicle projection if a healed injury has led to an excessively long clavicle that is obscuring the vertebral column?
Rotate the torso away from the unaffected clavicle
Which statement accurately explains the relationship between the angle of the CR and the projection of the clavicle obtained in a patient with a suspected clavicular fracture?
Increasing the CR angulation in a cephalad direction will optimize visualization of the clavicle
Which correction would the tech make to an AP projection if the clavicle in which the superior scapular angle is demonstrated superior to the clavicle?
Straighten the midcoronal plane to align it parallel with the IR
Which feature would be most difficult to improve for an AP axial clavicle if the patient cannot straighten the upper midcoronal plane of their body to place it parallel to the IR?
Superior scapular angle
Which structure would be foreshortened in an AP Axial clavicular projection of a severely kyphotic patient?
Acromion
Which term describes the position of the coracoid process relative to the conoid tubercle when using the Stryker Notch Method?
Lateral
Which result is observed when the torso of a patient is rotated toward the affected shoulder?
Increased thoracic superimposition