This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
Protrusion of mandible is due to which of the following muscle? 
Select and explain. 
A. Serratus anterior, B. Pectoralis major, C. Pectoralis minor, D. Lateral pterygoid
D: Lateral pterygoid
Answer: D: Lateral pterygoid 
Explanation: Lateral pterygoid helps in protrusion and depression on mandible.