Module 10 Flashcards

1
Q

The human body contains how many individual segments in the vertebral column

A

33

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2
Q

Write down the vertebral column in sections and numbers

A

7 cervical 12 thoracic 5 lumbar 5 sacral 5 coccygeal

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3
Q

All vertebral segments have the same structural components with the exception of which 2

A

C1 and C2

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4
Q

This arch appears on almost all vertebrae creating a canal down the spine that protects a spinal cord

A

Vertebral foramen

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5
Q

Why is the focus of bmd measurements L1 through L4

A

They are unobstructed by overlaying bone, exhibit normal variations, and don’t have major differences and shape from person to person

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6
Q

This landmark is located at the lower point it into the Sternum and helps center the upper medium line

A

Xiphoid process

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7
Q

This landmark helps center the lower medium line

A

ASI S, anterior superior iliac spines

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8
Q

Located at the level of L4 this is the approximate starting point for the lumbar scan

A

Iliac Crest

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9
Q

What level is the ASIS located

A

2nd sacral segment

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10
Q

If the iliac crest can’t be palpitated what is another soft tissue landmark for centering

A

Umbilicus

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11
Q

What level is the umbilicus located

A

L3 through L4 intervertbral space

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12
Q

How long should ADXA scan be postponed for any medical imaging procedures using oral or iv contrast

A

2 days

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13
Q

How long should ADXA scan of an elderly patient be postponed for following a barium study

A

10 days to 2 weeks

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14
Q

How long should DXA scan be postponed for nuclear medicine studies using technique technetuim 99M

A

48 to 72 hours

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15
Q

How long for DXA postpone after using iodine 131?

A

One week

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16
Q

After placing the block under the patient’s legs, the technologist uses the laser positioning light in table controls to center on this body plane

A

Median sagittal plane

17
Q

What should the technologists do after placing the positioning block for a lumbar spine analysis

A

Use the laser positioning light and table controls to center the table on the patient’s immediate sagittal point

18
Q

Where is the starting point typically located for the lumbar spine

A

The upper portion of S1 and includes the lower margins of L5 in the top of the iliac crests

19
Q

On a lumbar scan where should the scan stop

A

Up the T12 vertebrae with the 12th rib visualized

20
Q

What conditions would vertebrae be excluded from lumbar scan

A

Excessive joint hypertrophy or osteophytes

21
Q

What is the factory default scan for a Hologic unit

A

Fast array

22
Q

According to the ISCD how many vertebrae must be used for a diagnostic evaluation

A

2, so not have to be adjacent

23
Q

This score is only used for postmenopausal women and men older than 50

24
Q

This score is used for premenopausal women and men younger than 50

25
What appears on a DXA scan as missing bone in the central vertebral column
Laminectomy
26
On a typical PA lumbar scan which lumbar vertebra is likely to have transverse processes resembling wings
L5
27
The lumbar spine is a primary site because lumbar vertebrae are what?
Typically reflect the highest vertebral bone density
28
For obese patients the umbilicus can be used as an appropriate landmark for locating the
Iliac crest
29
This shows which parts of the scan were calculated as bone and soft tissue
The bone map
30
The T score measurement of the lumbar spine compares the pt total BMD value too
A young adult reference population of the same gender
31
If the shoulders are not square with the pelvis during a lumbar scan the technologist must do what
Reposition the patient correctly
32
T or F a lap band port is an example of a non removable artifact that can affect the diagnostic quality of a lumbar scan
True