Module 10

Question 1

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

Answer 1

33

Question 2

Write down the vertebral column in sections and numbers

Answer 2

7 cervical 12 thoracic 5 lumbar 5 sacral 5 coccygeal

Question 3

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

Answer 3

C1 and C2

Question 4

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

Answer 4

Vertebral foramen

Question 5

Why is the focus of bmd measurements L1 through L4

Answer 5

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

Question 6

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

Answer 6

Xiphoid process

Question 7

This landmark helps center the lower medium line

Answer 7

ASI S, anterior superior iliac spines

Question 8

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

Answer 8

Iliac Crest

Question 9

What level is the ASIS located

Answer 9

2nd sacral segment

Question 10

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

Answer 10

Umbilicus

Question 11

What level is the umbilicus located

Answer 11

L3 through L4 intervertbral space

Question 12

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

Answer 12

2 days

Question 13

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

Answer 13

10 days to 2 weeks

Question 14

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

Answer 14

48 to 72 hours

Question 15

How long for DXA postpone after using iodine 131?

Answer 15

One week

Question 16

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

Answer 16

Median sagittal plane

Question 17

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

Answer 17

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

Question 18

Where is the starting point typically located for the lumbar spine

Answer 18

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

Question 19

On a lumbar scan where should the scan stop

Answer 19

Up the T12 vertebrae with the 12th rib visualized

Question 20

What conditions would vertebrae be excluded from lumbar scan

Answer 20

Excessive joint hypertrophy or osteophytes

Question 21

What is the factory default scan for a Hologic unit

Answer 21

Fast array

Question 22

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

Answer 22

2, so not have to be adjacent

Question 23

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

Answer 23

T score

Question 24

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

Answer 24

Z score

Question 25

What appears on a DXA scan as missing bone in the central vertebral column

Answer 25

Laminectomy

Question 26

On a typical PA lumbar scan which lumbar vertebra is likely to have transverse processes resembling wings

Answer 26

L5

Question 27

The lumbar spine is a primary site because lumbar vertebrae are what?

Answer 27

Typically reflect the highest vertebral bone density

Question 28

For obese patients the umbilicus can be used as an appropriate landmark for locating the

Answer 28

Iliac crest

Question 29

This shows which parts of the scan were calculated as bone and soft tissue

Answer 29

The bone map

Question 30

The T score measurement of the lumbar spine compares the pt total BMD value too

Answer 30

A young adult reference population of the same gender

Question 31

If the shoulders are not square with the pelvis during a lumbar scan the technologist must do what

Answer 31

Reposition the patient correctly

Question 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

Answer 32

True