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: Surgery
All of the following muscles are attached to oblique line of thyroid cailage except 
Select and explain. 
A. Superior constrictor, B. . Inferior constrictor, C. Thyrohyoid, D. Stern thyroid
A: Superior constrictor
Answer: A: Superior constrictor 
Explanation: Superior constrictor MUSCLE Superior constrictor (Constrictor of pharynx) ORIGIN i. Pterygoid hamulus ii. Pterygomandibular raphe iii. Medial surface of mandible (near lower attachment of pterygomandibular raphe INSEION Median raphe on posterior wall of pharynx Inferior constrictor (Constrictor of Two pas: pharynx) i. Thyropharyngeus - from thyroid cailage (oblique line of thyroid cailage) ii. Cricopharyngeus - from cricoid cailage Median raphe on posterior wall of pharynx Sternothyroid (Infrahyoid muscle) i. Posterior surface of manubrium sterni ii. Adjoining pa of first costal cailage Oblique line of thyroid cailage Thyrohyoid (Infrahyoid muscle) Oblique line of thyroid cailage Lower border of body and greater cornua of hyoid bone