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The type of vertebra represented in the diagram is…

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Use the diagram below to answer the question that follows

The type of vertebra represented in the diagram is

The type of vertebra represented in the diagram is

A. Atlas

B. Lumbar

C. Axis

D. Sacrum

QUICK ANSWER…

B

DETAILS…  

Observe the basic features of the diagram; two long transverse processes, one vertebral body, and 7 processes in total.

This is the dorsal view of a lumbar vertebra.

Now for the right answer to the above question:

  1. Option A is incorrect; atlas can easily be differentiated by its short transverse processes, and a canal where the odontoid process enters.
  2. Option B is correct
  3. C is incorrect; axis has shorter transverse processes and an odontoid process.
  4. D is not the correct answer; sacrum not the answer.

KEY-POINTS…

You may please note that:

  • Transverse processes are the two longest downward extensions forming a triangle.
  • A process is an extended bone which attaches the vertebrae to muscles. There are a total of seven in lumbar vertebrae.
  • Odontoid process is a small protruded bone coming out of axis and on which the atlas attaches for rotation. It is absent in the diagram.

Use the questions and answers session to raise further questions and deal more on this topic…

/ culled from 2016 JAMB-UTME biology past question 49 /

The type of vertebra represented in the diagram is… » QuizTablet
The type of vertebra represented in the diagram is… » QuizTablet

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