Histology of the Ear Quiz - IC

What type of tissue makes up the auricle?

• Hyaline cartilage

• Elastic cartilage

• Fibrocartilage

• Adipose tissue

Which glands are found in the external acoustic meatus (EAM) and contribute to cerumen production?

• Sweat and sebaceous glands

• Sebaceous and ceruminous glands

• Apocrine and ceruminous glands

• Only ceruminous glands

What type of epithelium lines the outer third of the EAM?

• Stratified squamous

• Simple cuboidal

• Transitional

• Pseudostratified columnar

The tympanic membrane's external layer is composed of which epithelium?

• Simple squamous

• Stratified squamous keratinized

• Stratified squamous non-keratinized

• Simple cuboidal

Which layer of the tympanic membrane contains collagen fibers?

• External

• Middle

• Internal

• All layers

What type of epithelium lines the mucosal side of the tympanic membrane?

• Simple squamous or cuboidal

• Stratified squamous

• Simple columnar

• Transitional

What type of epithelium lines the cartilaginous portion of the Eustachian tube?

• Stratified squamous

• Simple cuboidal

• Pseudostratified columnar with goblet cells

• Simple columnar with cilia

The ossicles in the middle ear are connected by which type of tissue?

• Elastic cartilage

• Dense regular connective tissue

• Hyaline cartilage

• Compact bone

Which histological feature is unique to the scala media (cochlear duct)?

• Perilymph-filled cavity

• Basilar membrane with the organ of Corti

• Bony labyrinth lining

• Simple squamous epithelium

What fluid fills the membranous labyrinth of the inner ear?

• Perilymph

• Endolymph

• Cerebrospinal fluid

• Plasma