Parotid Gland & Face

Question 1

Loss of sensation from the temporal region and loss of secretory function of the parotid gland would be caused by interruption of which nerve?

Answer 1

Auriculotemporal

Question 2

An elderly man presented with severe pain beneath the left eye, radiating into the lower eyelid, lateral side of the nose and upper lip. What nerve was involved?

Answer 2

Infraorbital

Question 3

Which nerve provides motor innervation to the buccinator muscle?

Answer 3

Buccal branches of VII

Question 4

Which nerve provides cutaneous innervation to the skin of the angle of the mandible?

Answer 4

Great auricular nerve

Question 5

Which nerve carries postganglionic parasympathetic fibers to the parotid gland?

Answer 5

Auriculotemporal nerve

Question 6

A patient is unable to wink; what muscle is affected?

Answer 6

Orbicularis oculi

Question 7

What structure lies deepest in the parotid gland?

Answer 7

External carotid artery

Question 8

A deep laceration of the face in the middle of the parotid gland could affect the:

Answer 8

Facial nerve

Question 9

Pain elicited from an infected facial wound is primarily conveyed by what nerve?

Answer 9

Trigeminal

Question 10

The parotid space contains all EXCEPT:

Answer 10

Medial pterygoid muscle

Question 11

As a result of meningitis, a patient develops Bell’s palsy. One of the symptoms was hyperacusis. What nerve was involved?

Answer 11

Facial

Question 12

Frey’s Syndrome is marked by profuse sweating over one cheek, temple, and surrounding areas of the face, precipitated by eating. The condition is attributable to aberrant reinnervation. What is the source of the nerve fibers involved?

Answer 12

Glossopharyngeal

Question 13

During a face lift operation on a 48-year-old woman, the plastic surgeon inadvertently cut the marginal mandibular branch of the facial nerve. Which of the following muscles would be paralyzed because of the injury?

Answer 13

Depressor anguli oris

Question 14

As a result of a face lift operation, a 46-year-old woman noticed an asymmetry of the inferior lip and could not fully depress the angle of her mouth on the right side. Which of the following nerves was most likely damaged during the surgery?

Answer 14

Marginal mandibular (VII)

Question 15

While recovering from a right facial paralysis, a 36-year-old female patient complained that food accumulated between the teeth and the cheek mucosa when chewing. The deficiency of which muscle was most likely the cause of the chewing problem?

Answer 15

Buccinator

Question 16

Inability to close the lips relates to the action of which muscle?

Answer 16

Orbicularis oris

Question 17

The facial muscle most responsible for moving the lips both upward and laterally to produce a smile is:

Answer 17

Zygomaticus major

Question 18

Due to multiple salivary calculi (stones) in the submandibular duct, the submandibular gland of a 45-year-old individual was surgically removed. What major artery directly related to the gland was of special concern to the surgeon?

Answer 18

Facial

Question 19

To study the compensatory response of selective suprahyoid muscles in elevating the hyoid bone, an experiment was designed in which the posterior belly of the digastric and stylohyoid muscles were paralyzed by drugs. The muscular branches of which of the following nerves must be chemically interrupted to produce paralysis in both muscles?

Answer 19

Facial

Question 20

A 38-year-old female patient complained of parotid pain that increased while eating. Intraoral examination detected some pus oozing from the parotid duct opening. What was the most likely anatomical reference that the physician considered to locate the parotid duct opening?

Answer 20

Mucosa of the cheek across the 2nd upper (maxillary) molar tooth