Biomechanics of Spine Practice Questions

Question 1

Which of the following movements is least permitted in the lumbar region of the vertebral column?

Accepted Answer

Rotation

Answer

Flexion

Answer

Extension

Answer

Lateral flexion

Question 2

All of the following contribute to the intervertebral disc EXCEPT:

Accepted Answer

Elastic cartilage

Answer

Fibrocartilage

Answer

Annulus fibrosus

Answer

Nucleus pulposus

Question 3

Identify the condition shown in the image:

Accepted Answer

Spondylolysis

Answer

Renal osteodystrophy

Answer

Spondylolisthesis

Answer

Tuberculosis (TB)

Question 4

Dennis stability concept is based on which of the following?

Accepted Answer

3 columns

Answer

4 columns

Answer

5 columns

Answer

2 columns

Question 5

What constitutes a spinal motion segment?

Accepted Answer

A disc and the vertebrae above and below, including their interlocking facet joints.

Answer

A disc and the facet joints at that level.

Answer

A vertebral body and the disc above.

Answer

A section of the spine involved in a physiological curve with the similar function (i.e. thoracic kyphosis).

Question 6

False about fracture of vertebrae

Accepted Answer

Anterior longitudinal ligament runs along the posterior surface of vertebral bodies

Answer

Fracture dislocation is common in flexion rotation injury

Answer

Chance fracture occurs due to flexion distraction injury

Answer

Wedge compression causes flexion injury

Question 7

What is the latent period in distraction osteogenesis?

Accepted Answer

5-7 days

Answer

4-6 weeks

Answer

6-8 months

Answer

4 months

Question 8

Bone resorption is enhanced by which of the following?

Accepted Answer

PGE2

Answer

PGD2

Answer

PDF2

Answer

PGI2

Question 9

Which anatomical structure is considered a dynamic stabilizer of the shoulder joint?

Accepted Answer

Rotator cuff

Answer

Glenoid labrum

Answer

Coracohumeral ligament

Answer

Glenohumeral ligament

Question 10

Molten-wax appearance is seen in which of the following conditions?

Accepted Answer

Melorheostosis

Answer

Osteoporosis

Answer

Osteopoikilosis

Answer

Osteogenesis imperfecta

Biomechanics of Spine — MCQs

Biomechanics of Spine — MCQs

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