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
Infrahyoid muscles are supplied by: 
Select and explain. 
A. Vagus nerve, B. Cervical plexus, C. Brachial plexus, D. Supraclavicular nerve
B: Cervical plexus
Answer: B: Cervical plexus 
Explanation: The infrahyoid muscle (strap muscle) are a group of four pairs of muscles in the anterior part of the neck.
The four infrahyoid muscles are - sternohyoid, sternothyroid, thyrohyoid and omohyoid.
Infrahyoid muscles either originate from or insert onto the hyoid bone.
Its function is to depress the hyoid bone and larynx during swallowing and speech.