Sunday, February 1, 2009

Kerala PGMEE 2009 Questions and Answers Discussion

Please add Questions of 2009 February here...

1. Which of the following does not come in relation with sub-occipital triangle?

a. Occipital Artery
b. Vertebral Artery
c. Dorsal rami of the C1
d.

Discussion : The skeleton of the suboccipital region

following structures form the background for the other structures in the region:
  • base of skull and superior nuchal line
  • posterior arch of the atlas (C1) and its tubercle and transverse process
  • spine and transverse process of the axis (C2)
The deepest structures in the suboccipital triangle are the 1st cervical nerve and the vertebral artery.

In the deep groove on the upper surface of the posterior arch of the atlas are the vertebral artery and the first cervical or suboccipital nerve.

The suboccipital triangle is a region of the neck bounded by the following three muscles:

It is covered by a layer of dense fibro-fatty tissue, situated beneath the Semispinalis capitis.

The floor is formed by the posterior occipito-atlantal membrane, and the posterior arch of the atlas.

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