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
Which is NOT derived from second pharyngeal arch: 
Select and explain. 
A. Posterior belly of digastric, B. Anterior belly of digastric, C. Buccinator, D. Platysma
B: Anterior belly of digastric
Answer: B: Anterior belly of digastric 
Explanation: Anterior belly of digastric is derived from first pharyngeal archDerivatives of 2nd pharyngeal archStapes,Styloid process,Stylohyoid ligament, andLesser cornu of the hyoid bone.Muscles of faceOccipitofrontalis musclePlatysmaStylohyoid musclePosterior belly of DigastricStapedius muscleAuricular muscles