Bone Density & Bone Variation 1

Question 1

Mature bone is described as being composed of what areas based on bone density?

Answer 1

Cortical or compact bone and spongy, cancellous or trabecular bone

Question 2

What is the name given to the bone below an articulating surface?

Answer 2

Subchondral bone

Question 3

What is the name of the outer fibro-cellular covering of bone?

Answer 3

The periosteum

Question 4

What is the name given to the fibro-cellular lining of bone?

Answer 4

The endosteum

Question 5

What are the primary sources of variation observed in bone?

Answer 5

Sexual dimorphism (gender), ontogenetic variation (growth or age), geographic or population-based variation(ethnic), and idiosyncratic variation (individual)

Question 6

Differences in the number or morphology of vertebrae within the population based on male & female variation is identified as which type of variation?

Answer 6

Sexual dimorphism or gender variation

Question 7

Differences in the number or morphology of vertebrae within the population based on age or developmental variation is identified as which type of variation?

Answer 7

Ontogenetic variation

Question 8

Differences in the number or morphology of vertebrae within the population based on ethnicity or locational variation is identified as which type of variation?

Answer 8

Geographic or population based variation

Question 9

Differences in the number or morphology of vertebrae within the population based on the uniqueness between individuals is identified as which type of variation?

Answer 9

Idiosyncratic variation