Histology of the Ear Quiz
Preview:
cochlea turns 2 and 1/2 around a central bony pillar called…
A. modiolus
B. helicotrema
C. basilar membrane
D. temporal bone
What gelatinous structure is found in the crista ampullaris?
A. Otolithic membrane
B. Cupula
C. Basilar membrane
D. Vestibular membrane
Which cells in the macula have cilia?
A. Supporting cells
B. Neuroepithelial cells
C. Phalangeal cells
D. Claudius cells
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 mucosal side of the tympanic membrane?
A. Simple squamous or cuboidal
B. Stratified squamous
C. Simple columnar
D. Transitional
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 CAN NOT be found in the organ of corti?
A. Neuroepithelial cells
B. Inner hair cells
C. Outer hair cells
D. Claudius cells
What type of epithelium lines the outer third of the EAM?
A. Stratified squamous
B. Simple cuboidal
C. Transitional
D. Pseudostratified columnar
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
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
Which histological feature is unique to the scala media (cochlear duct)?
A. Perilymph-filled cavity
B. Basilar membrane with the organ of Corti
C. Bony labyrinth lining
D. Simple squamous epithelium
Which layer of the tympanic membrane contains collagen fibers?
A. External
B. Middle
C. Internal
D. All layers
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 tissue makes up the auricle?
A. Hyaline cartilage
B. Elastic cartilage
C. Fibrocartilage
D. Adipose tissue
What is the main histological feature of the stria vascularis?
A. Dense irregular connective tissue
B. Simple cuboidal epithelium
C. Stratified squamous epithelium
D. Hyaline cartilage