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RADT 465:Positioning

ARRT registry review over radiographic positioning

QuestionAnswer
When a rib xray is ordered and the patient complains of right, upper, posterior pain, what kind of oblique is done to view this area of interest? AP oblique RPO upper ribs (Radiology Prep Book pg. 148)
How many degrees would a patient be rotated for a PA oblique (RAO) of the sternum? 15-20 degrees with right side up (Radiology Prep Book pg. 147)
How would a patient be positioned for a dorsal decubitis of the abdomen? The patient is placed in the supine position and a horizontal xray beam is used (Radiology Prep Book pg. 162)
When looking for varices during an esophagus study, how must the patient be laying? Recumbent (Radiology Prep Book pg. 184)
What exposure time should be utilized during an esophagus procedure? Why? 0.1 second or less to avoid motion (Radiology Prep Book pg. 184)
What portion of the stomach is most posterior? Fundus (Radiology Prep Book pg. 185)
What kind of stomach would hypersthenic patients frequently have? High, transvere stomachs with indistinguishable curvatures(Radiology Prep Book pg. 185)
In a LPO position of the stomach, what area would be filled with air during a double-contrasted UGI? Body and most of the pylorus of the stomach (Radiology Prep Book pg. 185)
For bladder imaging, how many degrees would the bladder be obliqued for males? Females? Males: 30 degrees Females: 40-60 degrees (Radiology Prep Book pg. 195)
In a RPO KUB, which kidney and ureter would be best visualized in this image? Left kidney and right ureter (Radiology Prep Book pg. 195)
The neural vertebral arch is composed of what? Two pedicles and 2 laminae (Radiology Prep Book pg. 133)
What would too much flexion do to the teeth and odontoid process on an AP atlas and axis? It would superimpose the teeth on the odontoid process (Radiology Prep Book pg. 137)
Why are 70 degree oblique thoracic spines performed? To demonstrate apophyseal joints (Radiology Prep Book pg. 139)
What are lateral lumbar spine in flexion and extension most often used to demonstrate? Presence or absence of motion in area(s) of spinal fusion (Radiology Prep Book pg. 141)
What structures are best seen on a pelvic outlet projection? Ischial body, ramus, pubic superior, and inferior rami (Radiology Prep Book pg. 127)
What two cranial bones meet at the lambdoidal suture? Parietal and Occipital bones (Radiology Prep Book pg. 150)
In a PA projection of the cranium, what should fill the orbits? Petrous pyramids (Radiology Prep Book pg. 156)
Where would the CR enter for a lateral view of the facial bones? 2 inches superior to EAM (Radiology Prep Book pg. 159)
What kind of joints are immovable? Synarthrotic joints (Radiology Prep Book pg. 91)
What motion is not permitted by a sellar joint? Rotation (Radiology Prep Book pg. 93)
How would a hand be positioned for a PA projection of the hand? It would be pronated, elbow flexed 90 degrees, with fingers extended and slightly spread (Radiology Prep Book pg. 102)
Where is the CR centered for a medial oblique of the elbow? Perpendicular to the elbow joint, midway between the epicondyles (Radiology Prep Book pg. 105)
Why would a lateral weight-bearing foot be occasionally requested? Demonstrate the status of the plantar arch (Radiology Prep Book pg. 119)
What structures are best seen in a plantodorsal axial projection of the calcaneus? Axial projection of calcaneus, trochlear process, sustentaculum tali, and talocalcaneal joint (Radiology Prep Book pg. 121)
What kind of angle is formed between the CR and the femur in a Holmblad PA axial method of the intercondyloid fossa? 20 degree angle (Radiology Prep Book pg. 124)
What joint is being located at in a tangential (Settegast) method of the patella? Femoropatellar joint (Radiology Prep Book pg. 125)
Where do 90% of disk ruptures occur? L4-L5 and L5-S1 interspaces (Radiology Prep Book pg. 200)
An arthrography is performed to evaluate what kind of structures? Soft-tissue joint structures (Radiology Prep Book pg. 129)
What pathology would be visualized in a long bone measurement film? Abnormal growth patterns in children and lower back disorders in adults (Radiology Prep Book pg. 129)
Where is the contrast generally injected in for a myelogram? Subarachnoid space between L3 and L4 (Radiology Prep Book pg. 221)
Created by: lrcannon