This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy, Subject name: Anatomy
Which of the following is a pneumatic bone? 
Select and explain. 
A. Tibia, B. Frontal bone, C. Clavicle, D. Femur
B: Frontal bone
Answer: B: Frontal bone 
Explanation: Ans. B Frontal boneRef: Gray, 38th ed. pg. 436* Pneumatic bones are bones which contain air filled cavities for making the skull light weight, and aid resonance of voice and air conditioning. These include: Frontal, Ethmoid, Maxilla, Sphenoid and mastoid.Extra Mile* Sesamoid bones are patella, pisiform and fabella.* Membranous (dermal) bones are skull vault bones and facial bones.