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
Fascia around nerve bundle of brachial plexus is derived from? 
Select and explain. 
A. Preveebral fascia, B. Pretracheal fascia, C. Investing layer, D. Superficial cervical fascia
A: Preveebral fascia
Answer: A: Preveebral fascia 
Explanation: Cervical fascia can be divided into Superficial cervical fascia and Deep cervical fascia. Superficial Cervical Fascia: It is usually a thin lamina covering the platysma and is hardly demonstrable as a separate layer. Deep Cervical Fascia: Deep fascia in the neck is divided into an investing layer, pretracheal layer, preveebral layer, carotid sheath, buccopharyngeal fascia, and pharyngobasilar fascia. 1. Investing layer 2. Pretracheal fascia 3. Preveebral fascia 4. Carotid sheath 5. Buccopharyngeal fascia 6. Pharyngobasilar fascia