spine Flashcards
1
Q
- On the coronal display of the MRA of neck, the vertebral arteries are located:
A. Medial to carotid arteries
B. Superior to carotid arteries
C. Lateral to carotid arteries
D. Inferior to carotid arteries
A
A. Medial to carotid arteries
2
Q
- For optimal imaging of the thyroid gland, patients are positioned:
A. Supine and the head coil is pulled all the way down over the neck
B. Supine and local coils are placed on the anterior neck
C. Supine and the body coil is used to ensure a large FOV
D. Prone and local coils are placed on the posterior neck
A
B. Supine and local coils are placed on the anterior neck
3
Q
- On a 24-cm FOV, sagittal T-spine image on a localizer, the vertebral level can be determined by using:
A. The xyphoid as a landmark, and counting up to T12
B. The sternal notch as a landmark and counting down from T1
C. A larger FOV and counting down from C2
D. Lead markers to mark T12 and T1 on large FOV images
A
C. A larger FOV and counting down from C2
4
Q
- In Thoracic spine imaging, images acquired directly through inter-vertebral disk spaces can be acquired in the:
A. Axial plane
B. Sagittal oblique plane
C. Coronal plane
D. Oblique axial plane
A
D. Oblique axial plane
5
Q
- The conus medularis in adult patients are best demonstrated any of the following EXCEPT:
A. Sagittal images of the cervical spine
B. Sagittal image of the thoracic spine
C. Sagittal images of lumbar spine
D. Coronal images of the thoracic spine
A
A. Sagittal images of the cervical spine
6
Q
- What is Kyphoplasty?
A. Surgery for Kyphosis
B. Surgery for fracture
C. Procedure to fix fracture
D. Procedure to fix scoliosis
A
C. Procedure to fix fracture
7
Q
- On T1- weighted images of the spine, the CSF appears:
A. Hyperintense to the spinal cord
B. Hypointense to the spinal cord
C. Isointense to the spinal cord
D. A and c
A
B. Hypointense to the spinal cord
8
Q
- On a spine study, R/O metastatic lesions of the spinal cord, contrast enhancement can be used with T1 weighted images because:
A. Normal cord enhances and metastatic lesion do not
B. Metastatic lesions enhance and normal cord does not
C. Scar enhances and disk does not
D. CSF is bright and cord is dark
A
B. Metastatic lesions enhance and normal cord does not
9
Q
- When you increase your TR
A. Decrease scan time
B. Increase scan time
C. Increase SNR
D. Decrease SNR
E. B and C
A
E. B and C
10
Q
- On the sagittal display of the MRA of subclavian, the ascending aorta is located:
A. Medial to descending aorta
B. Superior to descending aorta
C. Anterior to descending aorta
D. Posterior to descending aorta
A
C. Anterior to descending aorta
11
Q
- On the coronal display of the MRA of neck, the vertebral arteries arises from:
A. Medial to carotid arteries
B. Subclavian arteries
C. Lateral to carotid arteries
D. Aortic arch
A
B. Subclavian arteries
12
Q
The technique that is typically used for the evaluating dissection of carotid artery:
A. SE
B. BLACK BLOOD
C. FSE
D. PC
E. A or B
A
E. A or B
13
Q
- STIR sequences can suppress the signal from all of the following EXCEPT:
A. Fat within bone marrow
B. Gadolinium-enhancing lesions
C. Retro-orbital fat
D. Fluid (CSF)
A
D. Fluid (CSF)
14
Q
- When doing an MRA of the carotid arteries, a saturation band should be placed ____to the axial slices. A. Anterior
B. Posterior
C. Superior
D. Inferior
E. A and c
A
C. Superior
15
Q
- The MRA sequence that is used to show flow direction is :
A. Phase contrast
B. 3D TOF
C. Tricks
D. 2D TOF
A
A. Phase contrast
16
Q
- In an inversion recovery pulse sequence, image contrast is controlled by:
A. TR and TE only
B. TI only
C. TI and TE only
D. TR, TE, and TI
A
D. TR, TE, and TI