This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
About lateral pterygoid muscle which of the following statement is true 
Select and explain. 
A. Protrude mandible, B. Arible from infra temporal fossa & Lateral pterygoid plate, C. Supplied by facial nerve, D. Inseed into fovea of mandible
A: Protrude mandible
Answer: A: Protrude mandible 
Explanation: Lateral pterygoid muscle is sho and conical.It has upper and lower heads. Actions: - Depresses mandible to open mouth, with suprahyoid muscles, - Protrudes mandible, - Right lateral pterygoid turns the chin to left side. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.