Anatomy LE 2: Head and Neck I

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What is the superior border of the Anterior Triangle of the Neck?

Hyoid bone

Inferior border of the mandible

Superior belly of the omohyoid

Jugular notch of the manubrium (correct)

Which structure is NOT located in the Submental Triangle?

Submental lymph node

Hyoid bone

Mylohyoid muscle

Submandibular gland (correct)

What is the common name for the Muscular Triangle?

Submental Triangle

Omotracheal Triangle (correct)

Anterior Triangle

Digastric Triangle

What forms the floor of the Submental Triangle?

All of the above Signup and view all the answers

Which nerve is located in the Submandibular Triangle?

Hypoglossal nerve (CN XII) Signup and view all the answers

What is the medial border of the Anterior Triangle of the Neck?

Median plane of the neck Signup and view all the answers

What is the content of the Muscular Triangle?

Viscera (thyroid and parathyroid glands) Signup and view all the answers

What forms the base of the Submental Triangle?

Mandibular symphysis Signup and view all the answers

What is the name of the bone that forms the upper jaw?

Maxillae Signup and view all the answers

Which bone forms part of the eye socket?

Lacrimal Signup and view all the answers

What is the name of the bone that forms the prominences of the cheeks?

Zygomatic Signup and view all the answers

Which bone rests on the maxillae?

Zygomatic Signup and view all the answers

What is the name of the bone that forms a major part of the bony nasal septum?

Vomer Signup and view all the answers

Which bone forms the hard palate together with the palatine process of the maxilla?

Palatine Signup and view all the answers

Which bone forms the lower part of the lateral wall of the nasal cavity?

Inferior nasal concha Signup and view all the answers

What is the name of the foramen that pierces the lateral aspect of each zygomatic bone?

Zygomaticofacial foramen Signup and view all the answers

What is the order of fascia from posterior to anterior behind the pharynx?

Prevertebral Fascia → Alar Fascia → Buccopharyngeal Fascia Signup and view all the answers

What is the location of the Suprasternal Space (of Burns)?

Inferior to the hyoid bone Signup and view all the answers

What is enclosed within the Suprasternal Space (of Burns)?

Inferior ends of the anterior jugular veins, jugular venous arch, fat, and deep lymph nodes Signup and view all the answers

What forms the Retropharyngeal Space?

The space between the alar fascia and prevertebral fascia Signup and view all the answers

What is a possible pathway for blood, pus, or air to spread?

From the neck to the superior mediastinum of the thorax Signup and view all the answers

What forms the Buccopharyngeal Space?

The space between the alar fascia and buccopharyngeal fascia Signup and view all the answers

What is the significance of the connective tissue in the Buccopharyngeal Space?

It passes around the sides and back of the binding posterior portion of the pharynx to the prevertebral fascia Signup and view all the answers

What is the relationship between the superficial layer of deep fascia and the jugular notch?

It divides into two leaves, one attaching to the anterior and the other to the posterior of the jugular notch Signup and view all the answers

Which structure is located in the anterior cervical region?

Submandibular gland Signup and view all the answers

What is found in the carotid sheath in the carotid triangle?

Common carotid artery and its branches Signup and view all the answers

Which nerve is located in the omoclavicular triangle?

Spinal accessory nerve Signup and view all the answers

What is the name of the region that contains the trapezius muscle?

Lateral cervical region Signup and view all the answers

Which structure is located in the submental triangle?

Submental lymph nodes Signup and view all the answers

What is the name of the nerve that is located in the lateral cervical region and the carotid triangle?

Hypoglossal nerve Signup and view all the answers

Which structure is located in the occipital triangle?

Cutaneous branches of posterior rami of cervical spinal nerves Signup and view all the answers

What is the name of the region that contains the sternocleidomastoid muscle?

Lateral cervical region Signup and view all the answers

What is the action of the suprahyoid muscle group?

Depress the mandible against resistance Signup and view all the answers

Which muscle elevates the hyoid bone, floor of the mouth, and the tongue during swallowing and speaking?

Mylohyoid muscle Signup and view all the answers

What is the action of the infrahyoid muscle group?

Fix or depress the hyoid bone Signup and view all the answers

Which nerve innervates the stylohyoid muscle?

Facial nerve (CN VII) Signup and view all the answers

Which muscle pulls the hyoid bone anterosuperiorly?

Geniohyoid muscle Signup and view all the answers

What is the action of the digastric muscle?

Depresses the mandible Signup and view all the answers

Which muscle is responsible for elevating and retracting the hyoid bone?

Stylohyoid muscle Signup and view all the answers

What is the innervation of the mylohyoid muscle?

Nerve to mylohyoid, a branch of inferior alveolar nerve Signup and view all the answers

Which muscle is responsible for shortening the floor of the mouth and widening the pharynx?