10 Questions
What are the boundaries of the anterior triangle of the neck?
Clavicle, lower border of mandible, mastoid bone, anterior border of trapezius, midline of neck
From which structure does the anterior triangle of the neck extend superiorly?
Chin
What forms the base of the posterior cervical triangle?
Intermediate 1/3 of clavicle
What are the contents of the posterior triangle of the neck?
Inferior belly of omohyoid, branches of cervical plexus, accessory nerve, root and trunk of brachial plexus, some arteries, and veins
What divides the neck into anterior and posterior triangles?
Sternocleidomastoid muscle
What are the boundaries of the side of the neck, quadrangular region?
Clavicle, lower border of mandible, mastoid bone, superior nuchal line, anterior border of trapezius, midline of neck
Which muscles form the floor of the posterior cervical triangle?
Splenius capitis, levator scapulae, scalenus muscle, and the inferior belly of omohyoid muscle
What structures are found in the apex of the posterior cervical triangle?
The meeting point of the anterior and posterior borders
Between which muscles are the branches of the cervical plexus, accessory nerve, root and trunk of brachial plexus located?
Scalenus anterior and scalenus medius muscle
What forms the roof of the posterior cervical triangle?
Skin and superficial fascia containing platysma, external jugular vein, and cutaneous branches of cervical plexus
Test your knowledge of the boundaries and divisions of the quadrangular region of the neck, as well as the anatomical landmarks within the anterior and posterior triangles. See how well you understand the structures that define this area of the body.
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