H&N 3: Ear and Nasal Cavity

1.

1 point

DiGeorge Syndrome is associated with a gene deletion on which chromosome?

16

18

21

22

11

2.

1 point

A stapedectomy may be indicated for which clinical disease of the ear?

Waardenburg's syndrome

Meniere's disease

cholesteatoma

otitis media

otosclerosis

3.

1 point

Which muscle of the larynx is responsible for being able to sing very high notes?

Cricothyroid

Lateral cricoarytenoid

Vocalis

Posterior cricoarytenoid

Thyroarytenoid

4.

1 point

The mechanosensory hair cells of the vestibule are embedded in a gelatinous membrane called the....

otolithic membrane

Bruch's membrane

tympanic membrane

tectorial membrane

basilar membrane

5.

1 point

Which of the following does NOT provide general sensory innervation to the auricle of the ear?

CN V

CN X

C2-C3

All of these provide sensory innervation

CN VII

6.

1 point

The auditory tube is derived from which pharyngeal pouch?

Pouch 1

Pouch 2

Pouch 3

Pouch 4

Pouch 5

7.

1 point

Genetic mutations of all of the following genes would cause loss of mechanosensory hair cells EXCEPT...

Connexin 26

All of these would would loss of hair cells

c-Kit

Sox2

Pou4f3

8.

1 point

Place the following parts of the cochlea in order, from where sound first enters to when it leaves:
I: Scala media
II: Round window
III: Scala tympani
IV: Oval window
V: Scala vestibuli

IV, V, I, III, II

II, V, III, I, IV

II, V, I, III, IV

IV, III, I, V, II

II, III, I, V, IV

9.

1 point

Which of the following are formed by intramembranous ossification?

Stapes

Incus

Cricoid cartilage

Malleus

Thyroid cartilage

10.

1 point

The Wnt protein opposes the action of SHH and is responsible for development of which portion of the ear?

Vestibule

Tympanic membrane

Auditory ossicles

Auditory tube

Cochlea

11.

1 point

A sneeze is a violent, involuntary, sudden expulsion of air, mediated by which two nerves?

Glossopharyngeal

Facial

Maxillary

Vagus

Opthalmic

12.

1 point

A cholesteatoma, a benign skin tumor in the ear often presents as dizziness or weakness in one side of the face. If left untreated, it may cause deafness by what means?

Impingement of the cochlear nerve

Impingement of the chorda tympani

Destruction of auditory ossicles

Perforation of the tympanic membrane

Occupation of space in the middle ear needed for resonance

13.

1 point

Hyperacusis (excessively acute hearing) can be caused by lesions to all of the following cranial nerves EXCEPT...

Vestibulotrochlear

Facial

Trigeminal

All of these can cause hyperacusis

Glossopharyngeal

14.

1 point

The otic vesicle, which goes on to develop into the inner ear, develops from what embryonic derivative?

Ectoderm

Endoderm

Mesoderm

Neuroblast cells

Neural crest cells

15.

1 point

All of the following open into the middle meatus of the nasal cavity except...

Frontal sinus

Ethmoidal sinus

All of these open into the middle meatus

Maxillary sinus

Sphenoid sinus

16.

1 point

Which auditory ossicle is responsible for direct conduction of sound from the tympanic membrane?

Malleus

Vestibule

Incus

Stapes

Cochlea

17.

1 point

The nerves associated with the discomfort of hayfever originate from which autonomic ganglion?

Superior Cervical

Ciliary

Pterygopalatine

Submandibular

Otic

18.

1 point

The upper lip is derived from the...

Lateral nasal prominences

Medial nasal prominences

Frontal nasal prominence

Maxillary prominences

Medial and frontal

Lateral and medial

19.

1 point

An epistaxis of Kiesselbach's plexus could contain blood from all of the following arteries except...

Internal carotid artery

Opthalmic artery

Maxillary artery

All of these contribute of Kiesselbach's plexus

Facial artery

20.

1 point

The cupula of the ear is associated with which sense?

Sound

Angular rotation

Linear acceleration

Pain

None of these

21.

1 point

Which of the following paranasal sinuses may be present at birth?

Sphenoidal

Ethmoidal

Maxillary

None of these are present at birth

Frontal

22.

1 point

Which of the following does not affect the quality of a voice?

true vocal chords

mouth

All of these contribute to quality

paranasal sinuses

pharynx

23.

1 point

The mechanosensory cells for balance are located in which part of the inner ear?

Saccule

Utricle

Spiral organ of Corti

All of these

Ampullae

24.

1 point

The vestibule of the ear is found in which compartment of the ear?

Inner Ear

All of these

Outer Ear

Middle Ear

25.

1 point

The smallest skeletal muscle in the human body, the stapedius, prevents excessive oscillation of the stapes bone and protects the ear from damage caused by loud noises. It is supplied by what nerve?

CN VIII

CN VII

CN IX

CN V

CN X

26.

1 point

Which of the following is NOT directly associated with the sphenoid sinus?

Cavernous sinus

All of these are associated

Optic nerve

Brain stem

Pituitary gland

27.

1 point

The roof of the nasal cavity contains components of each of the following bones EXCEPT...

ethmoid bone

frontal bone

sphenoid bone

lacrimal bone

nasal bone

28.

1 point

The auricular hillocks responsible for the development of the outer ear are formed from the mesenchyme of which pharyngeal arches?

1

2

3

4

5

6

None of these

29.

1 point

The middle ear is most closely in contact with which bone of the skull?

Greater wing of sphenoid bone

Petrous part of temporal bone

Lesser wing of sphenoid bone

Temporal process of the zygomatic bone

Squamous part of temporal bone