This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following muscles forms the boundary of the suboccipital triangle found in the suboccipital region of the neck, EXCEPT? 
Select and explain. 
A. Obliquus capitis superior muscle, B. Obliquus capitis inferior muscle, C. Rectus capitis posterior major muscle, D. Rectus capitis posterior minor muscle
D: Rectus capitis posterior minor muscle
Answer: D: Rectus capitis posterior minor muscle 
Explanation: The suboccipital triangle is bounded by rectus capitis posterior major and the obliquus capitis superior and inferior muscles. The floor of this triangle is formed by the posterior occipitoatlantal membrane and the posterior arch of the C1 veebrae.Contents of the triangle are:Veebral aerySuboccipital nerveGreater occipital nerve