Which diagnostic test involves the use of air pressure in the ear canal to test for disorders of the middle ear?

tympanometry

Which condition is a localized swelling inside the eyelid resulting from the obstruction of a sebaceous gland?

chalazion

Which medical term describes a sense of whirling, dizziness, and the loss of balance?

vertigo

Which condition is a vision defect in which light rays focus in front of the retina?

myopia

Which condition is strabismus characterized by an inward deviation of one or both eyes?

esotropia

Which structure is a fluid-filled cavity that vibrates when sound waves strike it?

cochlear duct

Which condition is also known as night blindness?

nyctalopia

Which condition is a fungal infection of the external auditory canal?

otomycosis

Which diagnostic test measures intraocular pressure?

tonometry

Which laser treatment is used to reattach a detached retina?

laser retinopexy

Which structure is the opaque middle layer of the eyeball?

choroid

Which condition is characterized by the loss of central vision?

macular degeneration

Which structure of the eye is located between the back of the iris and the front of the lens?

posterior chamber

Which condition is an area of absent or depressed vision surrounded by areas of normal vision?

scotoma

Which term describes the region in the eye where the nerve endings of the retina gather to form the optic nerve?

optic disk

Which structures are important in maintaining equal atmospheric pressure within the middle ear?

eustachian tubes

Which structure or structures transmit information to the brain to ensure that equilibrium of the body is maintained?

semicircular canals

Which type of hearing loss is progressive and associated with aging?

presbycusis

Which condition of the middle ear results in a conductive hearing loss?

otosclerosis

Which structure forms a protective covering of the exposed surface of the eyeball?

conjunctiva