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RADS 3423 Intermediate Unit 2 Test
Terms in this set (63)
There are ________ small irregularly shaped vertebra initially.
The following statements are true with regards to the vertebral column EXCEPT:
Lies in the midsagittal plane
supports trunk and skull
provides an attachment for ribs
protects the spinal cord
Provides an attachment for cartilage *
*The curve that makes up the thoracic vertebrae is known as a:
Which of the following vertebral curves are present at birth?
This structure is formed by the articulation of vertebral body and arch.
kyphosis is an increase of the anterior________ of the spine
A congenital defect in which the laminae fail to unite posteriorly is called
*Interverebral foramina allow for:
Passage for spinal nerves and blood vessels
Zygapophyseal joints are also known as:
Which of the following is the correct angle and direction for the AP axial sacrum
15 degrees cephalic
*The transverse process of which vertebrae project obliquely, laterally and posteriorly?
Both a and b
both b and c*
*The left intervertebral foramina of the c-spine are clearly visible on which of the following projections?
right posterior oblique
Which of the following best describes the relationship of the femoral condyles to the IR when the leg is properly positioned for the AP projection of the Distal femur?
*The pars interarticularis is a portion of what anatomical structure of the lumbar vertebrae?
none of the above*
The patient is in the supine position. The radiograph the left s-i joint, I would oblique the patient toward the patient's________
For the lateral c-spine projection to keep superimposition to a minimum it is important that this body part remain parallel to the floor
*A swimmers position must always be done with a ___ series
The most appropriate distance to use for the AP axial c-spine is?
*The CR for the L5-S1 (spot) film is?
4 cm inferior to the iliac crest and 5 cm posterior to the ASIS
The appropriate CR angulation for an AP axial C-spine is 15 degrees caudad
*Where does the CR enter for a lateral coccyx?
3 to 4" posterior to the ASIS and 2" distal to the ASIS
*An AP axial c-spine radiograph should properly demonstrate?
C3 to T2
According to bontrager, when centering for a lateral lumbar spine and you center 1.5" above the iliac crest you are probably using an IR with the dimensions of 30x35 CM
The "open mouth" projection demonstrates
Transverse process of atlas and dens process of c2
*a clay's shoverl's fracture is generally found
at the level of c-6 T-1
The central ray for an AP T-spine should be directed to?
Soft tissue and bone trebeculae, both joints on the radiograph, and the elbow flexed 90 degress indicates evaluation criteria for which of the following positions?
What is the correct breathing instruction for the AP L-spine projection
Suspend after full expiration
*Evaluation criteria for the AP oblique L-spine should include
Visualization of the zygapophyseal joints of the side down
According to bontrager a lateral t-spine breathing technique may require an exposure time of 3 to 4 seconds
correct evaluation criteria for the Lateral T-spine would include
12 vertebrae with the inclusion of the swimmers view
Intervertebral foramina visualized
No rotation of the patient
only a and c are evaluation criteria
All are evaluation critera*
* Bontrager suggest that anterior obliques for the T-spine be accomplished
To decrease the radiation dose to the breast
The degree of central ray angulation for a male lateral lumbar spine (t12-s1) that has no back support is?
5-8 degrees caudad
What anatomical structures are best demonstrated on the lateral radiograph of the T-spine?
The CR for the AP lumbar spine that includes the sacrum and coccys is
Level of the iliac crest
To reduce distortion of the AP lumbar spine that is caused by a lordotic curve the radiographer could
have the patient flex his/her knees so their feet can be placed flat against the table
*All of the following are acceptable evaluation criteria for an AP lumbar spine Except
Area from lower T-spine to sacrum is visible
Intervertebral joints are closed
SI joints are equidistant from to verterbal column
Vertebrae are symmetrical with spinous processes centered to the bodies
Transverse processes are visualized
The correct Angulation of the Patient in an RPO position for the oblique lumbar spine is?
*Zygapophyseal joints of the side up are demonstrated on the PA oblique lumbar spine projection but requires a 35 degree of the patient
How many fused bones make up the coccyx
*Placing the forearm across the back, will best demonstrated which scapular structures
Acromion and corocoid
*Radial head, beck and tuberosity slightly superimposed over the proximal ulna; elbow joint open and centered to the film; no rotation of humeral condyles. This evaluation criteria describes
The light spongy and elastic substance that makes up the lung tissue is known as
*It is always best to do Chest x-rays upright because?
It prevents enlargement of pulmonary vessels
Sacrum free of foreshortening sacral curve straightened; no rotation of sacrum these evaluation criteria describe
AP axial sacrum
A right posterior oblique for the SI joint will demonstrate
The left SI joint
According to bontrager if a patient cannot depress his/her shoulder for the swimmer's position what must you do the CR
Angle 5 degrees caudad
*For a hyperflexion of the cervical spine the patient is looking
*According to bontrager when the teeth superimpose the top of the dens process slight_______ of the neck is needed to correct the position
According to bontrager, where is the central ray direct for the AP knee projection
0.5 "below the apex of the patella
A slipped disk occurs more often at this vertebral site
for the lateral c-spine projection mid coronal plane is parallel to the IR
*The medial alantoaxial joint is synovial diarthrodial trochoid joint held in place by the ______
Transverse atlantal ligament
Distal humerus without rotation or distortion proximal radius superimposed over the ulna; closed elbow joint' foreshortened proximal forearm. The evaluation criteria describes which of the following positions?
Trauma, flexion distal humerus
Which of the following should you see on an AP shoulder, external rotation
Greater tubercle in profile
The body of this bone forms 1/5 of the acetabulum anteriorly
For a PA axial oblique cervical spine the cr is 15 to 20 degrees_____
*The RAO cervical Spine is taken primarily for the _____
Right intervertebral foramina
On an AP oblique lumbar spine, if the pedicle (eye of the scottied dog) appears posterior in the vertebral body then the patient is obliqued
*The RPO lumbar spine is taken primarily for the
Right zygapophyseal joints
Which of the vertebrae have facets and demi facets
* with the patient laying prone, The cr is directed____ for a coccyx
10 degrees cephalic
The pars interarticularis is represented by the ____of the scottie dog
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