A 40-year-old unconscious man is admitted to the emergency department after being hit in the head with a baseball. A CT scan examination reveals a fractured pterion and an epidural hematoma. Branches of which of the following arteries are most likely to be injured?

A 31-year-old female is admitted to the hospital after an automobile collision. A CT scan examination reveals a large hematoma inferior to the right jugular foramen. Physical examination reveals right pupillary constriction (miosis) and anhidrosis (loss of sweating) of the face. Which of the following ganglia is most likely affected by the hematoma?

An unconscious 48-year-old woman is admitted to the hospital. CT scan reveals a tumor in her brain. When she regains consciousness, her right eye is directed laterally and downward, with complete ptosis of her upper eyelid, and her pupil is dilated. Which of the following structures was most likely affected by the tumor to result in these symptoms?

A 35-year-old male patient is admitted to the hospital with severe headaches. A CT scan evaluation reveals a tumor in the infratemporal fossa. Physical examination reveals loss of general sensation from the anterior two-thirds of his tongue, but taste and salivation are intact. Which of the following nerves is most likely affected by the tumor?

A 55-year-old man is admitted to the hospital after an injury sustained at work in a factory. He presents with severe scalp lacerations, which were sutured. After three days the wound is inflamed, swollen, and painful. Between which tissue layers is the infection most likely located?

A 36-year-old woman is admitted to the hospital with severe head injuries after a car crash. During neurologic examination, her uvula is deviated to the right. Which nerve is most likely affected to result in this deviation?

A 7-year-old boy with a high fever is brought to the pediatrician. During physical examination the patient complains of pain in his ear. His throat appears red and inflamed, confirming the diagnosis of pharyngitis. Which of the following structures provided a pathway for the infection to spread to the tympanic cavity (middle ear)?

A 33-year-old woman is unconscious when she is admitted to the hospital after she fell, hitting her head. The physician in the emergency department performs a pupillary light reflex test. The integrity of which of the following nerves is being checked?

A 22-year-old male is admitted to the emergency department and intubated. An endotracheal tube is passed through an opening between the vocal folds. What is the name of this opening?

A 48-year-old male patient complains of diplopia (double vision). On neurologic examination he is unable to adduct his left eye and lacks a corneal reflex on the left side. Where is the most likely location of the lesion resulting in the symptoms?

A 34-year-old male complains of hyperacusis (sensitivity to loud sounds). Injury to which of the following cranial nerves is responsible?

A 55-year-old male has a complaint of left-sided maxillary tooth pain. A dental examination reveals no abnormalities of his teeth. During physical examination tapping on his right maxilla elicits sharp pain on the right side of his face. The patient reports that he has no allergies. Which of the following conditions will be the most likely diagnosis?

A 70-year-old man is admitted to the hospital with severe headaches. During physical examination he has difficulty coughing and swallowing. A CT scan shows a tumor affecting a cranial nerve. Which nerve is most likely affected?

A 34-year-old swimmer presents to your office with an external ear canal infection (otitis externa). The patient coughs during inspection of the external auditory meatus with a speculum. The cough results from the irritation of which nerve that innervates an area of the external auditory meatus?

A 29-year-old woman underwent a thyroidectomy. Postoperatively, the patient presented with hoarseness. Which of the following nerves was most likely injured during the operation?

A 48-year-old man presents with a constricted right pupil that does not react to light. His left pupil and vision in both eyes are normal. These findings are most likely due to a lesion involving which of the following right-sided structures?

A 55-year-old woman is diagnosed with a tumor at the base of the skull, resulting in a decrease in tear production. Which of the following nerves is most likely injured?

A 45-year-old woman is admitted to the hospital for severe ear pain. Physical examination reveals chronic infection of the mastoid air cells (mastoiditis). The infection can erode the thin layer of the bone between the mastoid air cells and the posterior cranial fossa and spread most commonly into which of the following venous structures?

A 24-year-old man is admitted to the hospital after a street fight. Radiographic examination reveals an inferior (blow-out) fracture of the orbit. Orbital structures would most likely be found inferiorly in which of the following spaces?

A patient suffers a fracture involving the medial wall of the orbit. This injury most commonly causes herniation of orbital contents into which adjacent air-filled sinus?

The Oculomotor Nerve (CN III) supplies four extrinsic eye muscles. The one muscle that wraps around the trochlea to change its pull direction, allowing the eye to look down and out, is supplied by which different cranial nerve?

A lesion affecting the Abducens Nerve (CN VI) will cause the eye to deviate medially (cross-eyed) because of the unopposed action of which muscle?

The Trigeminal Nerve (CN V) has three major divisions. Which division carries the secretomotor fibers for the lacrimal gland before they eventually join the lacrimal nerve?

The Superior Orbital Fissure transmits several crucial structures. Which is the only structure that passes outside the common tendinous ring to enter the orbit?

The Corneal Reflex involves the afferent limb (touch sensation) and the efferent limb (motor response). The efferent component causing closure of the eyelids is supplied by which nerve?

A small branch of the Facial Nerve (CN VII) carries taste fibers from the anterior two-thirds of the tongue. This nerve branch is the:

The Optic Nerve (CN II) is developmentally a protrusion of the diencephalon and is sheathed by meninges. The only blood vessel supplying the retina that runs within the optic nerve is the:

Parasympathetic fibers traveling with the Oculomotor Nerve (CN III) synapse in the Ciliary Ganglion. Postganglionic fibers then supply which muscle?

Which cranial nerve exits the brainstem dorsally before winding around the midbrain to enter the orbit?

The Cavernous Sinus is traversed by several nerves. Which cranial nerve runs within the lateral wall of the sinus and lies most superiorly?

Ptosis can occur due to damage to the sympathetic supply of which muscle?

The pupillary light reflex involves which midbrain nucleus for central integration?

The Lingual Nerve carries general sensation from the anterior two-thirds of the tongue and is joined by which nerve carrying taste fibers?

Which branch of the mandibular nerve contains both sensory fibers to the cheek and motor fibers to the buccinator muscle?

Which muscle opens the pharyngotympanic tube during swallowing?

Sensation of the external surface of the tympanic membrane is supplied by auriculotemporal nerve and which other nerve?

Tensor tympani is supplied by which nerve?

Stapedius muscle is supplied by which nerve?

The promontory of the middle ear is formed by which structure?

Facial nerve supplies which middle ear muscle?

Fluid in scala vestibuli and scala tympani is called:

Chorda tympani passes between which ossicles?

Mastoid air cells communicate with middle ear via:

Linear acceleration is detected by receptors in:

Deepest sensation of external auditory canal is supplied by:

Structure lying inferior to middle ear cavity:

Round window is closed by:

Otic ganglion supplies which gland?

Epitympanic recess lies above which ossicle?

Taste buds innervated by CN IX are present in:

Posterior epistaxis commonly involves which artery?

Which artery does not contribute to Kiesselbach plexus?

Which tongue muscle is supplied by vagus nerve?

Olfactory nerve passes through:

Afferent limb of gag reflex is:

Pharyngeal constrictors insert into:

Foreign body in piriform recess endangers:

Lymph from tip of tongue drains to:

Tonsil in nasopharynx:

Tonsil at base of tongue:

Hypoglossal nerve crosses superficial to:

Pterygoid venous plexus connects to cavernous sinus via:

Buccinator is pierced by:

Anterior ethmoidal artery enters nasal cavity through:

Orbit, Eye Muscles and Cranial Nerves — The muscle that elevates the upper eyelid develops from which embryological structure?

Orbit, Eye Muscles and Cranial Nerves — Superior oblique muscle of the eye is supplied by:

Orbit, Eye Muscles and Cranial Nerves — All extraocular muscles except superior oblique and lateral rectus are supplied by:

Orbit, Eye Muscles and Cranial Nerves — The common tendinous ring (annulus of Zinn) gives origin to all except:

Orbit, Eye Muscles and Cranial Nerves — The parasympathetic fibers to the pupil travel via:

Ear (External, Middle, Inner) — External auditory canal develops from:

Ear (External, Middle, Inner) — The malleus and incus are derived from:

Ear (External, Middle, Inner) — Stapes develops mainly from:

Ear (External, Middle, Inner) — Inner ear structures develop from:

Ear (External, Middle, Inner) — The scala media of cochlea contains:

Nose, Tongue and Olfactory Pathway — Olfactory epithelium is derived from:

Nose, Tongue and Olfactory Pathway — The cribriform plate allows passage of:

Nose, Tongue and Olfactory Pathway — Anterior two-thirds of tongue develops from:

Nose, Tongue and Olfactory Pathway — Taste sensation from anterior two-thirds of tongue is carried by:

Nose, Tongue and Olfactory Pathway — Posterior one-third of tongue is supplied for taste by:

Pharynx, Larynx, Thyroid and Parathyroid — Laryngeal cartilages develop from:

Pharynx, Larynx, Thyroid and Parathyroid — Recurrent laryngeal nerve is a branch of:

Pharynx, Larynx, Thyroid and Parathyroid — Thyroid gland develops from:

Pharynx, Larynx, Thyroid and Parathyroid — Inferior parathyroid glands develop from:

Pharynx, Larynx, Thyroid and Parathyroid — Histologically, thyroid follicles are lined by:

Orbit and Eye Muscles — Which wall of the bony orbit is most commonly fractured in a ‘blowout’ injury due to its thin nature (lamina papyracea)?

Orbit and Eye Muscles — A patient presents with a complaint of difficulty looking down and out, and the eye rests in a position of slight elevation. This presentation is characteristic of a lesion in which cranial nerve?

What is the primary action of the Superior Oblique muscle when the eye is in the anatomical neutral position?

Which cranial nerve branch passes through the superior orbital fissure but is located outside the common tendinous ring?

Complete ptosis (drooping eyelid) and a fixed, dilated pupil (mydriasis) are classic signs of injury to which component of the nervous system?

The parasympathetic preganglionic fibers that synapse in the ciliary ganglion originate from which nucleus?

The general sensory innervation to the skin of the forehead, upper eyelid, and side of the nose is primarily supplied by branches of which division of the Trigeminal nerve (CN V)?

Which boundary of the orbit is formed entirely by the maxilla and zygomatic bone?

Which specific branch of the Ophthalmic nerve (CN V1) carries the postganglionic sympathetic fibers that reach the dilator pupillae muscle?

Which cranial nerve provides the motor innervation to the Superior Rectus muscle?

The lateral wall of the orbit separates the orbital cavity from which other anatomical space?

Damage to which cranial nerve would specifically result in hyperacusis (increased sensitivity to loud sounds) due to paralysis of the stapedius muscle?

What sensory components are carried by the chorda tympani nerve?

A complete unilateral lesion of the Optic nerve (CN II) would result in which visual field defect?

Which cranial nerve provides general somatic efferent (motor) fibers to the sternocleidomastoid and trapezius muscles?

The tensor tympani muscle is innervated by a branch of which cranial nerve?

Which of the following nerves carries preganglionic parasympathetic fibers that exit the skull through the jugular foramen and synapse in the otic ganglion?