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
Suboccipital nerve is? 
Select and explain. 
A. Cl ventral ramus, B. C2 ventral ramus, C. Cl dorsal ramus, D. C2 dorsal ramus
C: Cl dorsal ramus
Answer: C: Cl dorsal ramus 
Explanation: Ans: C. C1 dorsal ramus(Ref: BDC 5th/e Vol. III p. 871).The suboccipital nerve is the dorsal primary ramus of the first cervical nerve (C1).It exits the spinal cord between the skull and the first cervical veebra, the atlas.It lies within the suboccipital triangle along with the veebral aery, where the aery enters the foramen magnum