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
Retraction of mandible is achieved by: 
Select and explain. 
A. Lateral pterygoid, B. Temporalis, C. Medial pterygoid, D. Masseter
B: Temporalis
Answer: B: Temporalis 
Explanation: None