Histology of the Ear Quiz
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What type of epithelium lines the cartilaginous portion of the Eustachian tube?
A. Stratified squamous
B. Simple cuboidal
C. Pseudostratified columnar with goblet cells
D. Simple columnar with cilia
What gelatinous structure is found in the crista ampullaris?
A. Otolithic membrane
B. Cupula
C. Basilar membrane
D. Vestibular membrane
The macula in the utricle and saccule is covered by which histological structure?
A. Tectorial membrane
B. Otolithic membrane
C. Basilar membrane
D. Vestibular membrane
Semisircular ducts has thickened epithelium which has a structure similar to macula, called…
A. crista ampularis
B. utriculus
C. saculus
D. cupula
Which glands are found in the external acoustic meatus (EAM) and contribute to cerumen production?
A. Sweat and sebaceous glands
B. Sebaceous and ceruminous glands
C. Apocrine and ceruminous glands
D. Only ceruminous glands
Which cells in the macula have cilia?
A. Supporting cells
B. Neuroepithelial cells
C. Phalangeal cells
D. Claudius cells
What type of nerve fibers are found in the spiral ganglion?
A. Efferent only
B. Afferent only
C. Both afferent and efferent
D. Neither afferent nor efferent
What type of epithelium lines the mucosal side of the tympanic membrane?
A. Simple squamous or cuboidal
B. Stratified squamous
C. Simple columnar
D. Transitional
cochlea turns 2 and 1/2 around a central bony pillar called…
A. modiolus
B. helicotrema
C. basilar membrane
D. temporal bone
What fluid fills the membranous labyrinth of the inner ear?
A. Perilymph
B. Endolymph
C. Cerebrospinal fluid
D. Plasma
Identify the space at the tip of the pointer!
A. helicotrema
B. modiolus
C. scala vestibuli
D. scala tympani
What type of epithelium lines the outer third of the EAM?
A. Stratified squamous
B. Simple cuboidal
C. Transitional
D. Pseudostratified columnar
The tympanic membrane’s external layer is composed of which epithelium?
A. Simple squamous
B. Stratified squamous keratinized
C. Stratified squamous non-keratinized
D. Simple cuboidal
Which cells form the tunnel of Corti?
A. inner and outer phalangeal cells
B. Inner and outer pillar cells
C. Hensen cells and claudius cells
D. Boettcher cells and deiters cells
The ossicles in the middle ear are connected by which type of tissue?
A. Elastic cartilage
B. Dense regular connective tissue
C. Hyaline cartilage
D. Compact bone