Anatomy Head and Neck Practice
Questions with Answers
What are the boundaries of the submental triangle and what does it contain?
- -a. Body of hyoid bone, anterior bellies of both Diagastrics, Mylohyoid
forms floor
b. Contents: 2-4 lymph nodes, veins that unite to form anterior jugular vein
- What is the Mylohyoid innervated by and which CN does it originate from? -
-N to Mylohyoid from V3
- Which structures are contained within the carotid sheath at the level of
C7? - -common carotid artery, internal jugular vein, vagus N
- Which two layers of fascia in the neck does infection form the oral cavity
have to pass through to get to the 'danger zone'? - -buccopharyngeal and
alar fascia
- What are the borders of the anterior triangle? - -Medial plane, anterior
border of SCM, inferior border of mandible
- . What vein do the communicating and anterior jugular veins drain into? -
-. IJV
- What does the lesser occipital nerve innervate and what spinal level does it
originate from? - -Skin behind the auricle, C2
- The carotid sheath encloses all the following EXCEPT:
a. common carotid artery
b. cervical branch of facial N.
c. Internal jugular vein (IJV)
d.Vagus Nerve - -cervical branch of facial N.
- The Infrahyoid muscles depress the hyoid, which muscle also elevates the
larynx? - -c.Thyrohyoid
- What are the 4 smaller divisions of the anterior neck triangle? - -
Submental, submandibular, carotid, and muscular
- 11. What cutaneous nerves branch from the cervical plexus? - -Lesser
occipital, greater auricular, transverse cervical, and supraclavicular
- 12. What two muscles are supplied by their own branches of C1? - -
Thyrohyoid & Genohyoid
, - 13. What nerve supplies the skin over the angle of the mandible? - -Great
auricular nerve
- 1. Which nerve passes lateral to external and internal carotid arteries? - -
Hypoglossal N (CN XII)
- 2. Subclavian artery and Brachial Plexus lie ________ Scalenus Anterior and
Scalenus Medius. - -between
- . All the following nerves pass through the Superior Orbital Fissure except:
Optic CN II
Oculomotor CN 111
Trochlear CN IV
Abducens CNVI - -Optic (CNII)
- What CNs carry preganglionic parasympathetic fibers to the glands and
mucosa of the head and neck? - -III, VII, IX
- What arteries supply the thyroid gland and from where do they branch? - -
Superior thyroid from external carotid, inferior thyroid from subclavian
- What are the functions of Scalenus anterior, medius and posterior? - -
Anterior- flexes the neck.
Medius- flexes the neck laterally and elevates the first rib during forced
inspiration.
Posterior - flexes the neck laterally and elevates the first rib during forced
inspiration.
- The spinal root of CN XI supplies which two muscles? - -SCM and Trapezius
- Which two veins come together to form the brachiocephalic? - -Subclavian
and internal jugular
- Which artery comes off the 1st part of the subclavian artery?a. internal
thoracic
b. dorsal scapular
c. deep cervical
d. superior intercostal - -internal thoracic
- What opening in the skull do CN VII and CNVIII emerge from? - -internal
acoustic meatus
- What is the innveration of the Ophthalmic (V1)? - -Sensory to orbit, nasal
cavity, upper eyelid, forehead and anterior scalp, and bridge of nose to tip
Questions with Answers
What are the boundaries of the submental triangle and what does it contain?
- -a. Body of hyoid bone, anterior bellies of both Diagastrics, Mylohyoid
forms floor
b. Contents: 2-4 lymph nodes, veins that unite to form anterior jugular vein
- What is the Mylohyoid innervated by and which CN does it originate from? -
-N to Mylohyoid from V3
- Which structures are contained within the carotid sheath at the level of
C7? - -common carotid artery, internal jugular vein, vagus N
- Which two layers of fascia in the neck does infection form the oral cavity
have to pass through to get to the 'danger zone'? - -buccopharyngeal and
alar fascia
- What are the borders of the anterior triangle? - -Medial plane, anterior
border of SCM, inferior border of mandible
- . What vein do the communicating and anterior jugular veins drain into? -
-. IJV
- What does the lesser occipital nerve innervate and what spinal level does it
originate from? - -Skin behind the auricle, C2
- The carotid sheath encloses all the following EXCEPT:
a. common carotid artery
b. cervical branch of facial N.
c. Internal jugular vein (IJV)
d.Vagus Nerve - -cervical branch of facial N.
- The Infrahyoid muscles depress the hyoid, which muscle also elevates the
larynx? - -c.Thyrohyoid
- What are the 4 smaller divisions of the anterior neck triangle? - -
Submental, submandibular, carotid, and muscular
- 11. What cutaneous nerves branch from the cervical plexus? - -Lesser
occipital, greater auricular, transverse cervical, and supraclavicular
- 12. What two muscles are supplied by their own branches of C1? - -
Thyrohyoid & Genohyoid
, - 13. What nerve supplies the skin over the angle of the mandible? - -Great
auricular nerve
- 1. Which nerve passes lateral to external and internal carotid arteries? - -
Hypoglossal N (CN XII)
- 2. Subclavian artery and Brachial Plexus lie ________ Scalenus Anterior and
Scalenus Medius. - -between
- . All the following nerves pass through the Superior Orbital Fissure except:
Optic CN II
Oculomotor CN 111
Trochlear CN IV
Abducens CNVI - -Optic (CNII)
- What CNs carry preganglionic parasympathetic fibers to the glands and
mucosa of the head and neck? - -III, VII, IX
- What arteries supply the thyroid gland and from where do they branch? - -
Superior thyroid from external carotid, inferior thyroid from subclavian
- What are the functions of Scalenus anterior, medius and posterior? - -
Anterior- flexes the neck.
Medius- flexes the neck laterally and elevates the first rib during forced
inspiration.
Posterior - flexes the neck laterally and elevates the first rib during forced
inspiration.
- The spinal root of CN XI supplies which two muscles? - -SCM and Trapezius
- Which two veins come together to form the brachiocephalic? - -Subclavian
and internal jugular
- Which artery comes off the 1st part of the subclavian artery?a. internal
thoracic
b. dorsal scapular
c. deep cervical
d. superior intercostal - -internal thoracic
- What opening in the skull do CN VII and CNVIII emerge from? - -internal
acoustic meatus
- What is the innveration of the Ophthalmic (V1)? - -Sensory to orbit, nasal
cavity, upper eyelid, forehead and anterior scalp, and bridge of nose to tip
