Anatomy of the Ear

Which of the following structures is NOT located within the external ear?

Where does the Auriculotemporal nerve provide cutaneous innervation?

Which cranial nerve provides motor innervation to the extrinsic muscles of the ear?

Which artery is NOT a primary source of arterial blood supply to the auricle?

Which of the following correctly describes the lymphatic drainage pattern of the auricle?

A patient presents with a cauliflower ear. Which of the following is the MOST likely cause?

Which of the following structures is NOT found within the external acoustic meatus?

What is the approximate length of the external acoustic meatus in adults?

Which of the layers makes up the tympanic membrane?

Which statement accurately describes the Pars flaccida

Which nerve supplies sensory innervation to the external surface of the tympanic membrane?

Branches from which artery supply the external acoustic meatus and tympanic membrane?

Which nerve innervates the internal surface of the tympanic membrane?

Which of the following structures is NOT located within the middle ear?

Which best describes the tympanic cavity proper?

What fluid type fills the tympanic cavity?

Which of the following is the correct order of the auditory ossicles from the tympanic membrane to the oval window?

Which of the following structures is directly attached to the tympanic membrane?

What lines the tympanic cavity instead of the periosteal layer

Which of the following muscles is responsible for dampening down the vibrations of the malleus by tension of the tympanic membrane during loud noises?

Which cranial nerve innervates the tensor tympani muscle?

Which of the following is the primary function of the pharyngotympanic tube?

The pharyngotympanic tube is composed of:

Contraction of which muscles opens the pharyngotympanic tube?

If a patient has excessive acuteness of hearing (hyperacusis), which of the following muscles is MOST likely paralyzed?

Through which structure does the tympanic cavity connect to the mastoid cells?

Damage to the chorda tympani nerve within the middle ear can result in:

If the tegmental wall is damaged what structure could be at risk?

A patient is diagnosed with mastoiditis. Which of the following is the MOST likely route of infection?

The jugular wall of the tympanic cavity separates what structure?

Which of the following structures is MOST at risk during surgery or invasive disease of the anterior (carotid) wall of the tympanic cavity?

Which nerve provides sensory innervation to the middle ear?

Where does the pharyngotympanic not receive fibers from?

The ascending pharyngeal artery gives blood supply to which of the following?

Where does the lymphatic system drain into from the pharyngotympanic tube?

What are the two main parts of the inner ear?

Which best describes what fluid type are the sacs and ducts within the bony labirynth?

Damage to the peripheral auditory system can result in which of the following?

Which best describes the Scala tympani?

Through which structure do the CN VII, CN VIII, and the labyrinthine artery transit?

Which of the following is the MOST appropriate course of action if a patient develops lateral sinus thrombophlebitis in the temporal bone?

Which nerve provides sensory innervation to the anterior aspect of the lateral surface of the auricle, including the rim of the concha and tragus?

Which of the following muscles is innervated by the temporal branch of CN VII?

Through which structure does the chorda tympani nerve traverse the middle ear?

Which of the following structures supplies blood to the pharyngotympanic tube?

Which of the following muscles contracts to open the pharyngotympanic tube?

A patient presents with sensorineural hearing loss and vertigo after a chronic middle ear infection. Which of the following structures is MOST likely affected?

A surgeon is performing a myringotomy and notes the chorda tympani’s path. Damage to which structure causes altered taste sensation (loss of sweet and salty) on the anterior two-thirds of the tongue?

Following a severe blow to the head, a patient experiences a conductive hearing loss that is localized to the middle ear. Which of the following is the MOST likely cause?

A patient is diagnosed with mastoiditis. Which of the following pathways is MOST likely involved in the spread of infection from the middle ear?

In a rare and complex case, a patient’s imaging reveals that an infection has eroded through the tegmen tympani, potentially leading to severe complications. Which anatomical space is now at immediate risk of being directly compromised?

Which of the following is the MOST accurate description of the auricle's composition?

Which anatomical structure of the auricle is correctly paired with its location?

The lobule of the auricle is characterized by which of the following?

Which of the following describes the function of cerumen?

What is the primary characteristic of the bony part of the external acoustic meatus?

What is the clinical significance of the pars flaccida?

Which nerve provides sensory innervation to the internal surface of the tympanic membrane?

The roof of the tympanic cavity is formed by which structure?

What is the function of the pharyngotympanic tube?

Which of the following muscles is NOT involved in opening the pharyngotympanic tube during swallowing?

The medial wall of the tympanic cavity contains which of the following structures?

Which artery is NOT a primary source of arterial blood supply to the middle ear?

The stapedius muscle has which primary function?

Which nerve innervates the stapedius muscle?

Unlike other bones of the body, the auditory ossicles lack periosteum, and are instead covered by:

Through with structure does the tympanic cavity connect to the mastoid air cells?

What would be the MOST likely result of untreated otitis media?

A patient exhibits conductive hearing loss and is diagnosed with a middle ear effusion. Dysfunction of which structure is MOST likely the underlying cause?

A surgeon mistakenly severs the chorda tympani nerve during a middle ear procedure. Which of the following deficits would be MOST likely to occur?

A patient presents with sensorineural hearing loss. Imaging reveals damage within the bony labyrinth of the inner ear that spares the cochlea. Which specific anatomical structure within the bony labyrinth is MOST likely affected, leading to this patient's symptoms?