Podcast
Questions and Answers
What muscle is primarily responsible for depressing the mandible and elevating the hyoid bone?
What muscle is primarily responsible for depressing the mandible and elevating the hyoid bone?
- Sternohyoid
- Mylohyoid
- Geniohyoid (correct)
- Sternothyroid
Which nerve is associated with the innervation of the infrahyoid muscles?
Which nerve is associated with the innervation of the infrahyoid muscles?
- C2 via CN X
- C1 via CN XII (correct)
- Lesser occipital nerve
- CN V3
Which of the following is NOT a branch of the external carotid artery?
Which of the following is NOT a branch of the external carotid artery?
- Inferior thyroid artery (correct)
- Maxillary artery
- Occipital artery
- Lingual artery
What is the primary function of the cervical plexus?
What is the primary function of the cervical plexus?
Which statement accurately describes the anatomy of the anterior triangle of the neck?
Which statement accurately describes the anatomy of the anterior triangle of the neck?
What muscle is primarily enveloped by the investing layer of fascia in the neck?
What muscle is primarily enveloped by the investing layer of fascia in the neck?
Which function is NOT associated with the pretracheal fascia in the neck?
Which function is NOT associated with the pretracheal fascia in the neck?
Which nerve is primarily responsible for innervating the diaphragm?
Which nerve is primarily responsible for innervating the diaphragm?
Which muscle is NOT one of the scalene muscles grouped in the prevertebral fascia?
Which muscle is NOT one of the scalene muscles grouped in the prevertebral fascia?
What structure is primarily located deep to the trachea?
What structure is primarily located deep to the trachea?
Which one of the following is a branch of the external carotid artery?
Which one of the following is a branch of the external carotid artery?
What is the primary function of the cervical plexus?
What is the primary function of the cervical plexus?
Which of the following describes the location of the anterior triangle of the neck?
Which of the following describes the location of the anterior triangle of the neck?
What structures are encompassed by the carotid sheath?
What structures are encompassed by the carotid sheath?
Which muscle is NOT one of the strap (infrahyoid) muscles?
Which muscle is NOT one of the strap (infrahyoid) muscles?
Which triangle contains the submandibular gland?
Which triangle contains the submandibular gland?
What is one of the primary functions of the cervical plexus?
What is one of the primary functions of the cervical plexus?
What forms the roof of the anterior triangle?
What forms the roof of the anterior triangle?
Which of the following is NOT a superficial branch of the cervical plexus?
Which of the following is NOT a superficial branch of the cervical plexus?
Which artery runs within the posterior triangle of the neck?
Which artery runs within the posterior triangle of the neck?
Which nerve supplies motor innervation to the longus colli muscle?
Which nerve supplies motor innervation to the longus colli muscle?
Study Notes
Muscles of the Neck
- Digastric muscle is the primary depressor of the mandible and elevator of the hyoid bone.
- Ansa cervicalis innervates the infrahyoid muscles.
Arteries of the Neck
- Internal thoracic artery is not a branch of the external carotid artery.
Cervical Plexus
- Innervates the diaphragm is the primary function of the cervical plexus.
Anterior Triangle of the Neck
- Bounded by the midline of the neck, the inferior border of the mandible, and the anterior border of the sternocleidomastoid muscle. describes the anatomy of the anterior triangle of the neck.
Investing Layer of Fascia
- Envelopes the sternocleidomastoid muscle.
Pretracheal Fascia
- Supporting the thyroid gland is not a function of the pretracheal fascia.
Diaphragm Innervation
- Phrenic nerve is the primary nerve that innervates the diaphragm.
Scalene Muscles
- Longus colli muscle is not one of the scalene muscles grouped within the prevertebral fascia.
Structures Deep to the Trachea
- Esophagus is primarily located deep to the trachea.
Branches of the External Carotid Artery
- Superior thyroid artery is a branch of the external carotid artery.
Location of the Anterior Triangle of the Neck
- Located anterior to the sternocleidomastoid muscle describes the location of the anterior triangle of the neck.
Carotid Sheath
- Common carotid artery, internal jugular vein, and vagus nerve are encompassed by the carotid sheath.
Strap (Infrahyoid) Muscles
- Stylohyoid muscle is not one of the strap (infrahyoid) muscles.
Submandibular Gland
- Submandibular triangle contains the submandibular gland.
Functions of the Cervical Plexus
- Sensory innervation to the skin of the neck and shoulder is one of the primary functions of the cervical plexus.
Roof of the Anterior Triangle
- Platysma muscle forms the roof of the anterior triangle.
Superficial Branches of the Cervical Plexus
- Transverse cervical nerve is not a superficial branch of the cervical plexus.
Posterior Triangle of the Neck
- Transverse cervical artery runs within the posterior triangle of the neck.
Innervation of the Longus Colli Muscle
- Anterior rami of the cervical nerves (C1-C6) supplies motor innervation to the longus colli muscle.
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Description
Test your knowledge on the anatomy of the neck, including muscles, nerves, and fascia. This quiz covers the functions of the cervical plexus and the various structures within the anterior triangle of the neck. Challenge yourself to identify key components and their innervations!
