# Medial pterygoid muscle is attached to: A. Medial surface of lateral pterygoid plate B. Lateral surface of medial pterygoid plate C. Medial surface of medial pterygoid plate D. Lateral surface of lateral pterygoid plate The correct answer is A. Medial surface of the lateral pterygoid plate Deep head of the medial pterygoid muscle arises from medial surface of lateral pterygoid plate and palatine bone. The lateral pterygoid muscle arises from lateral surface of lateral pterygoid plate. CLICK HERE FOR MORE MCQs