DXA Module 7

Question 1

90% of peak bone mass is obtained by what age?

Answer 1

30

Question 2

Which type of osteogenesis imperfects is the most serious? (type I or type II)

Answer 2

Type II

Question 3

Which site is recommended for obtaining BMC and areal BMD in children and adolescents?

Answer 3

Lumbar Spine

Question 4

Which age group of children tend to be the most difficult to scan?

Answer 4

toddlers

Question 5

What age group is referenced in the Bone Mineral Density Childhood Study (BMDCS)?

Answer 5

5-22 yr olds

Question 6

Approximately how many subjects were included in the Bone Mineral Density Childhood Study (BMDCS)?

Answer 6

2000

Question 7

If a patient has a vertebral crush fracture without any known trauma or disease processes, they may be diagnosed with osteoporosis (T/F)

Answer 7

True

Question 8

For a child without any clinical fracture history, what terminology should be listed on the pediatric DXA report?

Answer 8

Z-score

Question 9

Disregarding special disease cases, what is the normal minimum time between follow-up scans?

Answer 9

12 months