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Seeing and Hearing
Veterinary Medical Terminology Chapter 14
Question | Answer |
---|---|
What is name of the diagnostic test used to detect vision in an animal's eye? | menace response |
The medical term used to describe eyes that are not directed in a parallel position is what? | strabismus |
A surgical procedure that is performed to remove all or part of the eardrum is called what? | myringectomy |
What are the functions of the ear? | process sound, and help with balance |
When using a fluoroscein stain on the eye, what are we looking for? | corneal abrasion, corneal puncture |
What is the test called that measures the amount of tear production? | Schirmer Tear Test |
If an animal presents with epiphora and pawing at the eye and the fluoroscein test is negative, what could be another problem to check for? | distichiasis-extra row of eyelashes |
Explain what happens when sound waves enter the pinna until they reach the brain. | Air conduction: enter the pinna, travel through external auditory canal, strike tympanic membrane; Bone conduction: tympanic membrane vibrates, ossicles conduct waves through middle ear; Sensorineural conduction: vibrations enter inner ear by oval |
What are the three auditory ossicles? Medical term and common term. | malleus-hammer incus-anvil stapes-stirrup |
What is the combining form that means maze? | labyrinth/o |
What is the area called that is located between the oval window and the semicircular canals and cochlea? | vestibule |
What is two things are located within the cochlea? | cochlear duct and organ of Corti |
What is the name of the aural organ that is spiral-shaped and leads from the oval window to the inner ear? | cochlea |
What is the area/membrane called that separates the middle and inner ear? | oval window |
What is the area/membrane called that receives sound waves through fluid after they have passed through the cochlea? | round window |
What is the name of the instrument used to examine ears? | otoscope |
What ocular condition is believed to be caused by performing a nictitating gland excision? | KCS-dry eye |
What does KCS stand for? | keratoconjunctivitis sicca |
What is another name for keratoconjunctivitis? | dry eye |
If an animal has unusually small eyes what is the medical term used to describe this? | microphthalmia |
What instrument is used to measure intraocular pressure? | tonopen |
If an animal has elevated intraocular pressures this is called what? | glaucoma |
If there is pus in the anterior chamber of the eye what is the medical term used to describe this? | hypopyon |
If a dog or cat presents with a reddish-brown stain under their eyes what could be causing this? | epiphora-excessive tear production |