All of the following are true about phrenic nerve,except -: (A) It is purely motor nerve, (B) It arise briefly from C4 spinal nerve, (C) It is formed at the lateral order of scalenus anterior, (D) Accessory phrenic is commonly a branch from the nerve to subclavius
Answer is A. Phrenic nerve arises from ventral rami of C3-5 and had both motor and sensory branches.