Anatomy test on superficial muscles of the head

1. Which branch of the facial nerve innervates the frontal belly of the occipitofrontalis muscle?

• Temporal branches

  The frontal belly of the occipitofrontalis muscle is innervated by the temporal branches of the facial nerve, which ascend from the parotid plexus.

• Zygomatic branches

  The frontal belly of the occipitofrontalis muscle is innervated by the temporal branches of the facial nerve, which ascend from the parotid plexus.

• Buccal branches

  The frontal belly of the occipitofrontalis muscle is innervated by the temporal branches of the facial nerve, which ascend from the parotid plexus.

• Posterior auricular nerve

  The frontal belly of the occipitofrontalis muscle is innervated by the temporal branches of the facial nerve, which ascend from the parotid plexus.

• I find it difficult to answer

  The frontal belly of the occipitofrontalis muscle is innervated by the temporal branches of the facial nerve, which ascend from the parotid plexus.

2. Which artery mainly participates in the blood supply to the buccinator muscle (m. buccinator)?

• Facial artery

  The primary source of blood supply to the buccinator muscle is the buccal artery, branching from the maxillary artery, although the facial artery also contributes.

• Buccal artery (branch of the maxillary)

  The primary source of blood supply to the buccinator muscle is the buccal artery, branching from the maxillary artery, although the facial artery also contributes.

• Transverse facial artery

  The primary source of blood supply to the buccinator muscle is the buccal artery, branching from the maxillary artery, although the facial artery also contributes.

• Submental artery

  The primary source of blood supply to the buccinator muscle is the buccal artery, branching from the maxillary artery, although the facial artery also contributes.

• I find it difficult to answer

  The primary source of blood supply to the buccinator muscle is the buccal artery, branching from the maxillary artery, although the facial artery also contributes.

3. Which branches of the facial nerve innervate the orbicularis oris muscle?

• Temporal and zygomatic branches

  The orbicularis oris muscle receives motor innervation from the buccal branches and the marginal mandibular branch of the facial nerve.

• Cervical branch

  The orbicularis oris muscle receives motor innervation from the buccal branches and the marginal mandibular branch of the facial nerve.

• Buccal and marginal mandibular branch

  The orbicularis oris muscle receives motor innervation from the buccal branches and the marginal mandibular branch of the facial nerve.

• Posterior auricular nerve

  The orbicularis oris muscle receives motor innervation from the buccal branches and the marginal mandibular branch of the facial nerve.

• I find it difficult to answer

  The orbicularis oris muscle receives motor innervation from the buccal branches and the marginal mandibular branch of the facial nerve.

4. What source primarily supplies the blood to the occipital belly of the occipitofrontalis muscle?

• Superficial temporal artery

  The occipital belly receives its blood supply from the occipital and posterior auricular arteries, branches of the external carotid artery.

• Posterior auricular and occipital arteries

  The occipital belly receives its blood supply from the occipital and posterior auricular arteries, branches of the external carotid artery.

• Facial artery

  The occipital belly receives its blood supply from the occipital and posterior auricular arteries, branches of the external carotid artery.

• Maxillary artery

  The occipital belly receives its blood supply from the occipital and posterior auricular arteries, branches of the external carotid artery.

• I find it difficult to answer

  The occipital belly receives its blood supply from the occipital and posterior auricular arteries, branches of the external carotid artery.

5. Which nerve provides motor innervation to the buccinator muscle?

• Buccal nerve (branch of the trigeminal nerve)

  Motor innervation of the buccinator muscle is via the buccal branches of the facial nerve. The buccal nerve of the trigeminal system only provides sensory innervation to the mucosa.

• Inferior alveolar nerve

  Motor innervation of the buccinator muscle is via the buccal branches of the facial nerve. The buccal nerve of the trigeminal system only provides sensory innervation to the mucosa.

• Masseteric nerve

  Motor innervation of the buccinator muscle is via the buccal branches of the facial nerve. The buccal nerve of the trigeminal system only provides sensory innervation to the mucosa.

• Buccal branches of the facial nerve

  Motor innervation of the buccinator muscle is via the buccal branches of the facial nerve. The buccal nerve of the trigeminal system only provides sensory innervation to the mucosa.

• I find it difficult to answer

  Motor innervation of the buccinator muscle is via the buccal branches of the facial nerve. The buccal nerve of the trigeminal system only provides sensory innervation to the mucosa.

6. Which artery supplies the procerus muscle (m. procerus)?

• Angular artery and supratrochlear artery

  The procerus muscle is supplied by the angular artery (terminal branch of the facial) and the supratrochlear artery (from the internal carotid system).

• Transverse facial artery

  The procerus muscle is supplied by the angular artery (terminal branch of the facial) and the supratrochlear artery (from the internal carotid system).

• Superior labial artery

  The procerus muscle is supplied by the angular artery (terminal branch of the facial) and the supratrochlear artery (from the internal carotid system).

• Infraorbital artery

  The procerus muscle is supplied by the angular artery (terminal branch of the facial) and the supratrochlear artery (from the internal carotid system).

• I find it difficult to answer

  The procerus muscle is supplied by the angular artery (terminal branch of the facial) and the supratrochlear artery (from the internal carotid system).

7. Which branch of the facial nerve innervates the posterior auricular muscle?

• Temporal branches

  The posterior auricular muscle, as well as the occipital belly of the occipitofrontalis muscle, is innervated by the posterior auricular nerve, branching from the facial nerve before it enters the parotid gland.

• Posterior auricular nerve

  The posterior auricular muscle, as well as the occipital belly of the occipitofrontalis muscle, is innervated by the posterior auricular nerve, branching from the facial nerve before it enters the parotid gland.

• Cervical branch

  The posterior auricular muscle, as well as the occipital belly of the occipitofrontalis muscle, is innervated by the posterior auricular nerve, branching from the facial nerve before it enters the parotid gland.

• Zygomatic branches

  The posterior auricular muscle, as well as the occipital belly of the occipitofrontalis muscle, is innervated by the posterior auricular nerve, branching from the facial nerve before it enters the parotid gland.

• I find it difficult to answer

  The posterior auricular muscle, as well as the occipital belly of the occipitofrontalis muscle, is innervated by the posterior auricular nerve, branching from the facial nerve before it enters the parotid gland.

8. Which artery does the angular artery that supplies the nasalis muscle branch from?

• Maxillary artery

  The angular artery is the terminal branch of the facial artery and anastomoses with the dorsal nasal artery.

• Superficial temporal artery

  The angular artery is the terminal branch of the facial artery and anastomoses with the dorsal nasal artery.

• Facial artery

  The angular artery is the terminal branch of the facial artery and anastomoses with the dorsal nasal artery.

• Ophthalmic artery

  The angular artery is the terminal branch of the facial artery and anastomoses with the dorsal nasal artery.

• I find it difficult to answer

  The angular artery is the terminal branch of the facial artery and anastomoses with the dorsal nasal artery.

9. Which branches of the facial nerve innervate the larger and smaller zygomatic muscles?

• Cervical branch

  The major and minor zygomatic muscles receive motor innervation from the zygomatic branches of the facial nerve.

• Temporal branches

  The major and minor zygomatic muscles receive motor innervation from the zygomatic branches of the facial nerve.

• Marginal branch of the mandible

  The major and minor zygomatic muscles receive motor innervation from the zygomatic branches of the facial nerve.

• Zygomatic branches

  The major and minor zygomatic muscles receive motor innervation from the zygomatic branches of the facial nerve.

• I find it difficult to answer

  The major and minor zygomatic muscles receive motor innervation from the zygomatic branches of the facial nerve.

10. Which artery supplies blood to the lateral portion of the orbicularis oculi muscle?

• Superficial temporal artery

  The lateral portion of the orbicularis oculi muscle is supplied by branches of the superficial temporal artery and the transverse facial artery.

• Facial artery

  The lateral portion of the orbicularis oculi muscle is supplied by branches of the superficial temporal artery and the transverse facial artery.

• Angular artery

  The lateral portion of the orbicularis oculi muscle is supplied by branches of the superficial temporal artery and the transverse facial artery.

• Supraorbital artery

  The lateral portion of the orbicularis oculi muscle is supplied by branches of the superficial temporal artery and the transverse facial artery.

• I find it difficult to answer

  The lateral portion of the orbicularis oculi muscle is supplied by branches of the superficial temporal artery and the transverse facial artery.

11. Which branch of the facial nerve innervates the mentalis muscle?

• Buccal branches

  The mentalis muscle (m. mentalis) is innervated by the marginal mandibular branch (r. marginalis mandibulae) of the facial nerve.

• Marginal branch of the mandible

  The mentalis muscle (m. mentalis) is innervated by the marginal mandibular branch (r. marginalis mandibulae) of the facial nerve.

• Cervical branch

  The mentalis muscle (m. mentalis) is innervated by the marginal mandibular branch (r. marginalis mandibulae) of the facial nerve.

• Zygomatic branches

  The mentalis muscle (m. mentalis) is innervated by the marginal mandibular branch (r. marginalis mandibulae) of the facial nerve.

• I find it difficult to answer

  The mentalis muscle (m. mentalis) is innervated by the marginal mandibular branch (r. marginalis mandibulae) of the facial nerve.

12. Which arteries supply the depressor anguli oris muscle (m. depressor anguli oris)?

• Inferior labial and mental arteries

  The blood supply to this muscle is provided by the inferior labial artery (branch of the facial) and the mental artery (branch of the inferior alveolar).

• Superior labial and angular arteries

  The blood supply to this muscle is provided by the inferior labial artery (branch of the facial) and the mental artery (branch of the inferior alveolar).

• Transverse facial artery

  The blood supply to this muscle is provided by the inferior labial artery (branch of the facial) and the mental artery (branch of the inferior alveolar).

• Infraorbital artery

  The blood supply to this muscle is provided by the inferior labial artery (branch of the facial) and the mental artery (branch of the inferior alveolar).

• I find it difficult to answer

  The blood supply to this muscle is provided by the inferior labial artery (branch of the facial) and the mental artery (branch of the inferior alveolar).

13. From which vascular basin does the corrugator supercilii muscle (m. corrugator supercilii) receive its blood?

• Only from the basin of the external carotid artery

  Supplied by the supraorbital, supratrochlear (from the ophthalmic artery - internal carotid), and the frontal branch of the superficial temporal artery (external carotid).

• Only from the basin of the internal carotid artery

  Supplied by the supraorbital, supratrochlear (from the ophthalmic artery - internal carotid), and the frontal branch of the superficial temporal artery (external carotid).

• From the basins of the external and internal carotid arteries

  Supplied by the supraorbital, supratrochlear (from the ophthalmic artery - internal carotid), and the frontal branch of the superficial temporal artery (external carotid).

• From the basin of the vertebral artery

  Supplied by the supraorbital, supratrochlear (from the ophthalmic artery - internal carotid), and the frontal branch of the superficial temporal artery (external carotid).

• I find it difficult to answer

  Supplied by the supraorbital, supratrochlear (from the ophthalmic artery - internal carotid), and the frontal branch of the superficial temporal artery (external carotid).

14. Which branch of the facial nerve innervates the anterior auricular muscle?

• Zygomatic branches

  The anterior and superior auricular muscles are innervated by the temporal branches of the facial nerve.

• Buccal branches

  The anterior and superior auricular muscles are innervated by the temporal branches of the facial nerve.

• Posterior auricular nerve

  The anterior and superior auricular muscles are innervated by the temporal branches of the facial nerve.

• Temporal branches

  The anterior and superior auricular muscles are innervated by the temporal branches of the facial nerve.

• I find it difficult to answer

  The anterior and superior auricular muscles are innervated by the temporal branches of the facial nerve.

15. Which artery, as a branch of the maxillary, participates in the blood supply to the levator labii superioris muscle?

• Infraorbital artery

  The infraorbital artery passes through the infraorbital foramen and supplies the muscles and skin of the infraorbital region, including m. Levator labii superioris (m. levator labii superioris).

• Descending palatine artery

  The infraorbital artery passes through the infraorbital foramen and supplies the muscles and skin of the infraorbital region, including m. Levator labii superioris (m. levator labii superioris).

• Sphenopalatine artery

  The infraorbital artery passes through the infraorbital foramen and supplies the muscles and skin of the infraorbital region, including m. Levator labii superioris (m. levator labii superioris).

• Middle meningeal artery

  The infraorbital artery passes through the infraorbital foramen and supplies the muscles and skin of the infraorbital region, including m. Levator labii superioris (m. levator labii superioris).

• I find it difficult to answer

  The infraorbital artery passes through the infraorbital foramen and supplies the muscles and skin of the infraorbital region, including m. Levator labii superioris (m. levator labii superioris).

16. Which branch of the facial nerve innervates the risorius muscle (m. risorius)?

• Temporal branches

  The risorius muscle is located in the buccal region and is innervated by the buccal branches of the facial nerve.

• Buccal branches

  The risorius muscle is located in the buccal region and is innervated by the buccal branches of the facial nerve.

• Posterior auricular nerve

  The risorius muscle is located in the buccal region and is innervated by the buccal branches of the facial nerve.

• Cervical branch

  The risorius muscle is located in the buccal region and is innervated by the buccal branches of the facial nerve.

• I find it difficult to answer

  The risorius muscle is located in the buccal region and is innervated by the buccal branches of the facial nerve.

17. The blood supply to the levator anguli oris muscle (m. levator anguli oris) is mainly provided by:

• Mental artery

  The levator anguli oris muscle receives blood from the facial artery and the infraorbital artery (branch of the maxillary).

• Superficial temporal artery

  The levator anguli oris muscle receives blood from the facial artery and the infraorbital artery (branch of the maxillary).

• Infraorbital and facial arteries

  The levator anguli oris muscle receives blood from the facial artery and the infraorbital artery (branch of the maxillary).

• Occipital artery.

  The levator anguli oris muscle receives blood from the facial artery and the infraorbital artery (branch of the maxillary).

• I find it difficult to answer

  The levator anguli oris muscle receives blood from the facial artery and the infraorbital artery (branch of the maxillary).

18. The innervation of the depressor labii inferioris muscle (m. depressor labii inferioris) is provided by:

• Temporal branches of the facial nerve

  All facial expression muscles in the lower part of the face below the mouth angle are innervated by the marginal mandibular branch. The mental nerve is sensory.

• Buccal branches of the facial nerve

  All facial expression muscles in the lower part of the face below the mouth angle are innervated by the marginal mandibular branch. The mental nerve is sensory.

• Mental nerve

  All facial expression muscles in the lower part of the face below the mouth angle are innervated by the marginal mandibular branch. The mental nerve is sensory.

• Marginal mandibular branch of the facial nerve

  All facial expression muscles in the lower part of the face below the mouth angle are innervated by the marginal mandibular branch. The mental nerve is sensory.

• I find it difficult to answer

  All facial expression muscles in the lower part of the face below the mouth angle are innervated by the marginal mandibular branch. The mental nerve is sensory.

19. Which artery gives rise to the transverse facial artery that supplies the facial muscles in the buccal and zygomatic regions?

• Superficial temporal artery

  The transverse facial artery (a. transversa faciei) branches from the superficial temporal artery within the parotid gland.

• Facial artery

  The transverse facial artery (a. transversa faciei) branches from the superficial temporal artery within the parotid gland.

• Maxillary artery

  The transverse facial artery (a. transversa faciei) branches from the superficial temporal artery within the parotid gland.

• External carotid artery (directly)

  The transverse facial artery (a. transversa faciei) branches from the superficial temporal artery within the parotid gland.

• I find it difficult to answer

  The transverse facial artery (a. transversa faciei) branches from the superficial temporal artery within the parotid gland.

20. Through which structure do the branches of the facial nerve, forming the pes anserinus, pass before innervating the facial muscles?

• Submandibular salivary gland

  The facial nerve pierces the parotid salivary gland, where it forms an intraglandular plexus, from whence branches fan out to the facial muscles.

• Parotid salivary gland

  The facial nerve pierces the parotid salivary gland, where it forms an intraglandular plexus, from whence branches fan out to the facial muscles.

• Buccal fat pad of Bichat

  The facial nerve pierces the parotid salivary gland, where it forms an intraglandular plexus, from whence branches fan out to the facial muscles.

• Masseter muscle

  The facial nerve pierces the parotid salivary gland, where it forms an intraglandular plexus, from whence branches fan out to the facial muscles.

• I find it difficult to answer

  The facial nerve pierces the parotid salivary gland, where it forms an intraglandular plexus, from whence branches fan out to the facial muscles.