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
Mental spines provide attachment to 
Select and explain. 
A. Genioglossus, B. Anterior & posterior bellies of digastric, C. Mylohyoid, D. Superior constrictor of pharynx
A: Genioglossus
Answer: A: Genioglossus 
Explanation: Mental spine also known as genial tubercle, is a small bony elevation found on the inner surface of mandible, in the midline.
There are 4 mental spines - superior and inferior pair.


Superior genial tubercle gives origin to genioglossus muscle of tongue.
Inferior genial tubercle gives origin to geniohyoid muscle.