Which muscle of the neck functions to turn and depress the head?
A) sternomastoid
B) mylohyoid
C) digastric
D) sternohyoid
A
Explanation:
B) The mylohyoid originates on the mandible, inserts on the hyoid bone, and functions to raise the floor of the mouth.
C) The digastric originates on the occipital bone and mastoid process, and functions as a depressor of the mandible.
D) The sternohyoid originates on the costal cartilage of the first rib, and inserts on the hyoid bone. It acts to depress the hyoid bone.
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