Podcast
Questions and Answers
Which structure is primarily responsible for elevating the hyoid and the floor of the mouth?
Which structure is primarily responsible for elevating the hyoid and the floor of the mouth?
- Geniohyoid muscle
- Mandibular branch of trigeminal nerve (CN V3) (correct)
- Sternothyroid muscle
- Ansa cervicalis
Which cranial nerve is associated with the innervation of the geniohyoid muscle?
Which cranial nerve is associated with the innervation of the geniohyoid muscle?
- CN X
- CN XII
- C1 via CN XII (correct)
- CN V
What is the primary function of the sternohyoid muscle?
What is the primary function of the sternohyoid muscle?
- Elevates the hyoid bone
- Supports the floor of the mouth
- Elevates the mandible
- Depresses the hyoid bone (correct)
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?
Which of the following nerves is part of the ansa cervicalis?
Which of the following nerves is part of the ansa cervicalis?
Which nerve is NOT typically associated with the carotid sheath?
Which nerve is NOT typically associated with the carotid sheath?
Which cervical nerve primarily innervates the thyrohyoid muscle?
Which cervical nerve primarily innervates the thyrohyoid muscle?
Which of the following statements about the anterior triangle borders is incorrect?
Which of the following statements about the anterior triangle borders is incorrect?
What is the primary action of the sternocleidomastoid muscle when both heads contract bilaterally?
What is the primary action of the sternocleidomastoid muscle when both heads contract bilaterally?
Which muscles are classified under the strap (infrahyoid) muscles?
Which muscles are classified under the strap (infrahyoid) muscles?
Which muscle is primarily responsible for elevating the first rib during inspiration?
Which muscle is primarily responsible for elevating the first rib during inspiration?
What structures are found in the digastric triangle?
What structures are found in the digastric triangle?
What is the source of innervation for the infrahyoid muscles?
What is the source of innervation for the infrahyoid muscles?
Which of the following is NOT supplied by the cervical plexus?
Which of the following is NOT supplied by the cervical plexus?
Which artery is found in the posterior triangle?
Which artery is found in the posterior triangle?
Which muscle originates from the posterior tubercles of the transverse processes of CV1-4?
Which muscle originates from the posterior tubercles of the transverse processes of CV1-4?
Which cervical nerve root contributes to sensory innervation of the sternocleidomastoid muscle?
Which cervical nerve root contributes to sensory innervation of the sternocleidomastoid muscle?
What is the main function of the ansa cervicalis?
What is the main function of the ansa cervicalis?
What action does the mylohyoid muscle contribute to during swallowing?
What action does the mylohyoid muscle contribute to during swallowing?
Which of the following is a superficial branch of the cervical plexus?
Which of the following is a superficial branch of the cervical plexus?
What is the main action of the scaleni muscles?
What is the main action of the scaleni muscles?
What structure is surrounded by the pretracheal fascia in the neck?
What structure is surrounded by the pretracheal fascia in the neck?
Which of the following muscles is NOT covered by the investing layer of fascia?
Which of the following muscles is NOT covered by the investing layer of fascia?
Identify the muscle that helps form the floor of the posterior triangle of the neck.
Identify the muscle that helps form the floor of the posterior triangle of the neck.
Which fascia layer acts as a roof to the anterior triangle of the neck?
Which fascia layer acts as a roof to the anterior triangle of the neck?
Which structure is NOT part of the cervical plexus?
Which structure is NOT part of the cervical plexus?
Which general function do the strap muscles perform?
Which general function do the strap muscles perform?
What is the primary role of the carotid sheath in the neck?
What is the primary role of the carotid sheath in the neck?
Which structure is located deep to the trachea?
Which structure is located deep to the trachea?
