Superficial Face and Scalp - sectra

What muscle is responsible for closing the eyelids?

Orbicularis Oris

All of the following are innervated by the facial nerve (CNVII) EXCEPT

Masseter

Which muscle elevates the upper lip?

Levator labii oris

Which muscle has both a frontal and occipital belly?

occipitofrontalis

True or false: Cranial Nerve V innervates a majority of the muscles of the face.

False

Which cranial nerve is the Trigeminal Nerve?

CN V

Which branch of the trigeminal nerve has motor function?

Mandibular

Which branch of the trigeminal nerve provides sensation to the upper teeth?

Maxillary

What type of nerve is the trigeminal nerve?

Mixed nerve

Which of the following is not a branch of the facial nerve?

Maxillary

What nerve (and branch) innervate the platysma?

Facial, Cervical

What is the motor function of the facial nerve?

Movement to the muscles of facial expression

What is the sensory function of the facial nerve?

Taste sensation from the anterior two-thirds of the tongue

What is the parasympathetic function of the facial nerve?

Innervates the lacrimal glands for tear production

True or False: The facial nerve innervates the parotid gland.

False

What are the 5 branches of the external carotid artery from inferior to superior? **there’s actually 8 so ignore

Superior thyroid artery, lingual artery, facial artery, maxillary artery, and superficial temporal artery.

The inferior alveolar artery is the branch of:

Maxillary artery

Why might the inferior alveolar artery be significant for dentists?

primary blood supply to the mandibular teeth

What vessel does the internal jugular vein drain into?

Brachiocephalic vein

What is the main vessel that drains the head and neck?

Internal jugular vein

Which salivary gland uses the Parotid Duct to deliver saliva to the oral cavity?

Parotid Gland

Which of the following is NOT a function of saliva?

Digestion of proteins

True or False: There are salivary glands on the gingiva.

False

Which of the following are the main salivary glands?

Submandibular, Parotid, Sublingual

A patient presents with a calculus buildup localized bilaterally to the maxillary molars. Upon examination, the patient presents with hypersalivation that is contributing to the calculus buildup. Given that the calculus buildup is localized to the maxillary molars, which gland is MOST LIKELY contributing to the calculus on the maxillary molars?

Parotid

Which nerve is directly affected in Bell's Palsy?

facial nerve

What patient age would be MOST likely to develop Bell's Palsy?

8-year-old Female

What symptom would alert the clinician to question their diagnosis of Bell's Palsy?

Bilateral paralysis

Which divisions of the trigeminal nerve are most commonly affected by trigeminal neuralgia?

Maxillary (V2) and Mandibular (V3)

Which patient is MOST likely to develop trigeminal neuralgia?

45-year-old male with multiple sclerosis

True or false: Initial pain from trigeminal neuralgia (TN) is frequently mistaken for pain originating in the oral cavity.

True

What type of Trigeminal Neuralgia develops as a result of a separate pathological condition?

Secondary Trigeminal Neuralgia

What is the etiology for a mucocele?

Trauma

In what location would you MOST LIKELY find a mucocele?

Lower Lip Mucosa

Describe common characteristics of a mucocele.

Dome shaped swelling

Which patient is MOST LIKELY to present to your clinic with a mucocele?

13 year old male

A 15 year old female presents to your office with a chief complaint of a "swelling on the lower left lip". The patient reports that she bit her lip and it started swelling. The swelling is one 7mm, dome-shaped, and blue. It is localized to the lower left lip mucosa. What is the MOST LIKELY diagnosis and recommended treatment?

Mucocele, excision