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
Arterial supply to floor of mouth & suprahyoid muscle is 
Select and explain. 
A. Lingual artery, B. Maxillary artery, C. Inferior alveolar artery, D. Facial artery
A: Lingual artery
Answer: A: Lingual artery 
Explanation: Lingual artery is a branch of external carotid artery. The root of tongue is also supplied by tonsillar and ascending pharyngeal arteries. Venous drainage is mainly by the deep lingual vein.