30 Questions
Which side of the dog should be closest to the plate when taking a lateral view of the hip?
Left side
What should be used to prevent rotation of the elbow when taking a flexed view?
Foam wedge
What is the ideal angle for the joint in an extended or neutral lateral view of the elbow?
110 degrees
What should be used to stabilize the thoracic region when taking radiographs of the hip?
Foam block
What is the purpose of abducting the stifles when taking radiographs of the hip?
To maintain parallelism of the femora
What is the recommended position for the legs when taking radiographs of the hip?
Extended
What should be used to aid symmetrical positioning when taking radiographs of the hip?
Foam block
What should be used as landmarks for centering when taking lateral views of the hip?
Greater trochanters
What is the recommended position for the elbow when taking radiographs of the elbow joint?
Neutral
What is the main purpose of using a foam wedge under the carpus when taking radiographs of the elbow?
To prevent rotation of the elbow
Which of the following errors in hip positioning is characterized by the pelvis appearing elongated and the obturator foramina small?
Poor beam angle/centering
What is the consequence of tilting the pelvis to the right during hip positioning?
Exaggerated coxofemoral subluxation on the right side
Which error in hip positioning is characterized by the femora appearing tied too closely together?
Femora over adducted
What is the cause of a stretched image artifact in radiographs?
Faulty digital detector reader
Which error in hip positioning is characterized by the hips not being fully extended and the femora appearing short?
No full hip extension
What is the consequence of tying the ties too close to the hips during hip positioning?
Rejection of the submission
What anatomical variant may cause difficulty in getting the pelvis straight during hip positioning?
Lumbosacral deformity
What is the consequence of poor collimation extending from L3 to proximal tibiae during hip positioning?
Extraneous marks on the image
Which error in hip positioning is characterized by the femora not being tied parallel to each other and the stifles rotated inwards?
Femora abducted
What is the consequence of hand-holding the hocks during hip positioning?
Rejection of the submission
What is the purpose of using sandbags and a gutter during hip positioning?
To stabilize the thoracic region and keep the patient straight.
What is the recommended method for centering the light beam during hip positioning?
Centering should be midline in level with the hips and checked with landmarks such as the greater trochanters or pubic brim.
What is the recommended position for the legs when taking radiographs of the hip?
The legs should be extended caudally and tied down to stabilize positioning.
What is the recommended angle for the joint in an extended or neutral lateral view of the elbow?
The joint should be at 110 degrees.
What common error should be avoided when taking radiographs of the elbow?
Lead protective clothing should never be exposed to the primary beam.
What are the consequences of tilting the pelvis to the right during hip positioning?
Exaggerated coxofemoral subluxation on the side of the tilt and improved on the opposite side, in addition to a non-straight tail.
What causes the appearance of an elongated pelvis and small obturator foramina during hip positioning?
Poor centering and/or angulation of the beam, along with poor collimation.
What is the error in hip positioning characterized by the femora being tied too closely together?
Femora over adducted.
What is the error in hip positioning characterized by the femora not being tied parallel to each other and the stifles rotated inwards?
Femora abducted.
What is the cause of a stretched image artifact in radiographs?
A faulty digital detector reader.
Test your knowledge on common errors in hip positioning, including tilt to the right and beam angle/centering issues. Learn how these errors impact the appearance of the pelvis and obturator foramina.
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