12 Questions
What is the nerve supply of the platysma muscle?
Cervical branch of facial nerve
What is the action of the sternocleidomastoid (SCM) muscle when contracted bilaterally?
Flexion of the head and neck, especially against resistance
Which muscle is responsible for depressing the hyoid bone?
Sternohyoid
Where does the inferior belly of the omohyoid muscle attach?
Superior border of scapula
What is the function of the thyroid muscle?
Elevate the larynx
Which muscle divides the anterolateral part of the neck into anterior and posterior triangles?
Sternocleidomastoid
What structure extends anteriorly from the inferior border of the mandible to the superior border of the manubrium?
The neck
Which compartment of the neck contains the cervical vertebrae, spinal cord, cervical spinal nerves, and muscles?
The vertebral compartment
Which nerve innervates the skin over the angle of the mandible, parotid gland, and both surfaces of the lower part of the auricle?
The great auricular nerve
At what level is the hyoid bone located?
C3
Which nerve innervates the skin over the upper part of the pectoral major and deltoid muscles?
The supraclavicular nerves
Which nerve innervates the skin over the lateral part of the occipital region and upper part of the medial surface of the auricle?
The lesser occipital nerve
Test your knowledge on the anatomy of the neck including its divisions into 4 compartments - visceral, vertebral, and two neurovascular compartments. Learn about the structural boundaries and contents of each compartment.
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