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