Neck Flashcards
Muscle of facial expression is controlled by what branch of the facial nerve
Cervical
Broad thin sheet of muscle in the subcutaneous tissue of the neck
Platysma
The only bone that does not articulate with another bone
Hyoid
Suprahyoid muscles
Digastric, mylohyoid, stylohyoid, geniohyoid
Infrahyoid muscles(deep)
Thyrohyoid,sternothyroid
Superficial infrahyoid muscles
Omohyoid, sternohyoid
Hyoid bone that depresses the larynx
Stenothyroid
Only infrahyoid bone supplied by the 1st cervical
Thyrohyoid
Anterior triangle
Digastric, carotid, muscular
Posterior triangles
Supraclavicular, occipital
Boundaries of the submental triangle
Ant belly of digastric, hyoid, floor -mylohyoid
Landmarks for zones of penetrating neck trauma
I- sternal notch- inferior border of cricoid; II- inferior cricoid to manubrium; III- above the level of the mandible
Injury to what zone is the most common
II
Injury zone with greatest risk
I and III