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RADT 465:Positioning
ARRT registry review over radiographic positioning
Question | Answer |
---|---|
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) |