Sheetal Final > spine > Flashcards

spine Flashcards

(40 cards)

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1
Q
  1. 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

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2
Q
  1. 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

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3
Q
  1. 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

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4
Q
  1. 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

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5
Q
  1. 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

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6
Q
  1. 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

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7
Q
  1. 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

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8
Q
  1. 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

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9
Q
  1. 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

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10
Q
  1. 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

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11
Q
  1. 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

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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

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13
Q
  1. 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)

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14
Q
  1. 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

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15
Q
  1. 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

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16
Q
  1. 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

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17
Q
  1. Reducing NSA will reduce the scan time and:
    A. Decrease the SNR
    B. Increase the SNR by a factor of 1.41
    C. Not affect the SNR
    D. Double the SNR
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A

A. Decrease the SNR

18
Q
  1. Increasing the phase matrix:
    A. Increases scan time
    B. Inverts scan time
    C. Does not affect scan time
    D. Decreases scan time
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A

A. Increases scan time

19
Q
  1. Increasing the FOV:
    A. Increases scan time
    B. Inverts scan time
    C. Does not affect scan time
    D. Decreases scan time
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A

C. Does not affect scan time

20
Q
  1. Decreasing the receiver bandwidth:
    A. Decreases the SNR
    B. Inverts the SNR
    C. Increases the SNR
    D. Has no effect on the SNR
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A

C. Increases the SNR

21
Q
  1. Fat sat being an issue while scanning fat sat Soft tissue neck, what technique should you implement to accomplish fat sat
    A. Scan thicker and thinner part of the neck separate
    B. Use shim volume
    C. Scan with Dixon sequence
    D. All of the above
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A

D. All of the above

22
Q
  1. A short TI inversion Recovery (STIR) sequence can suppress the signal from:
    A. Fat
    B. Water
    C. Gadolinium enhancing lesion
    D. A and C
23
Q
  1. Presaturation pulses are often used to:
    A. Improve spatial resolution
    B. Reduce flow artifacts
    C. Reduce scan time
    D. Turn flowing blood bright
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A

B. Reduce flow artifacts

24
Q
  1. In a TOF sequence, flowing blood is Hyperintense relative to stationary tissue because of: A. T2 effects
    B. The coil being used
    C. The saturation pulse used
    D. Flow related enhancement
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A

D. Flow related enhancement

25
25. In patients that have undergone surgery for a herniated disk in the lumbar spine, contrast enhancement can be used to distinguish recurrent disk from post-operative scar because: A. Post-operative scar never enhances and recurrent disk does enhance B. Post-operative scar enhances and recurrent disk does not C. Disk enhances more slowly than post-operative scar D. Neither scar nor disk enhance
C. Disk enhances more slowly than post-operative scar
26
26. An appropriate coil choice for optimal SNR to use when Imaging the spine in MRI would be a Phased array spine coil b Flex coil c. The body coil d. A phased array torso coil
a Phased array spine coil
27
27. Please label the pulse sequence a. T1 b. T2 c. Merge
C. Merge
28
28. What color is CSF? a. bright b. Dark
a. bright
29
29. If you wanted to make this sequence faster what two parameters you would consider a. Reduce NEX b. Reduce phase matrix c. a and b
c. a and b
30
**30**. Name the anatomy that is dilated on the image a. White matter b. Central canal c. Central cord
b. Central canal
31
31 . Label the pathology seen on the image a. MS b. Herniation c. fracture d. all of the above e. a and b
e. a and b
32
32. Label the pulse sequence a. T1 FSE b. T2 FSE c. IR d. T2 FSE Fat Sat
b. T2 FSE
33
33 . How many sat pulses are used in this image? a. A and I b. A and I and Fat sat
a. A and I
34
34 . What is the pulse sequence? a. 3D TRICKS b. 3D Fluro trigger with contrast
a. 3D TRICKS
35
35 . Label the side of anatomy which seem to have delayed contrast enhancement a. L eft side of the body b. Right side of the body
b. Right side of the body
36
36. List the anatomy with the least amount of contrast seen on the image a. Left common carotid b. Right comm on carotid
b. Right comm on carotid
37
37 . What is the name of the pulse sequence? a. Flow saturation b. PC c. GRE
b. PC
38
38 . How is this sequence helpful? What does it show a. Saturation of pulse b. Direction of the flow c. Flow speed
b. Direction of the flow
39
39 . What is the name of the pulse sequence? a. T1 b. T2 c. IR
a. T1
40
40. What anatomy is A pointing at? A. Lymph node b. Sublingual gland c. Submandibular gland d. transverse process
c. Submandibular gland
Sheetal Final
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