Chapter 51 - Vision and Hearing
Questions and Answers 100%
Correct
1. Cornea
2. Aqueous humor
3. Lens
4. Vitreous humor
5. Retina
6. Optic nerve
7. Occipital lobe - ANSWER - List in proper sequence the process involved in
producing a visual image from the beginning to the end.
1. Eardrum
2. Malleus
3. Incus
4. Stapes
5. Oval window
6. Fluid in the cochlea
7. Hair cells in the organ of Corti
8. 8th cranial nerve
9. Temporal lobes - ANSWER - List in proper sequence the process of hearing when
sound waves enter the ear canal.
Constant involuntary cyclical eyeball movement - ANSWER - Nystagmus
Deviation of the eye away from the visual axis - ANSWER - Tropia
Deviation of the eye toward the nose - ANSWER - Esotropia
, Ability of the pupil to respond to near and far distances. Eyes turn inward and pupils
constrict when focusing on a near object. - ANSWER - Accommodation
What is the function of the ciliary body? - ANSWER - It is a circular muscle that
changes shape of the lens.
What is the function of the circular iris? - ANSWER - Dilates and constricts the pupil.
What is the function of the retina? - ANSWER - Lines Posterior Eyeball, Contains
Rods (Light)/Cones (Color) for Vision.
A tool used to measure intraocular pressure - ANSWER - Tonometer
Bilateral opaque whitening of the outer rim of the cornea caused by lipid deposits
and is considered normal - ANSWER - Arcus senilus
Drooping of the upper eyelid - ANSWER - Ptosis
A physician trained in the diagnosis and treatment of eye conditions and diseases. -
ANSWER - Ophthalmologist
Doctor of optometry who diagnoses and treats certain eye conditions and diseases.
- ANSWER - Optometrist
A person who makes corrective lenses. - ANSWER - Optician
Test for balance/vestibular function - ANSWER - Romberg
Hearing acuity test using a tuning fork. Differentiates between conductive and
sensorineural hearing loss using a tuning fork. - ANSWER - Weber test
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