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Eye and Ear PQ

QuestionAnswer
Vision is part of which function of the brain? The cerebrum
A person with 20/70 vision is Nearsighted or farsighted Nearsighted
The _____ is made up of connective tissue and smooth muscle fibers The iris
The____ is a small disk of clear, living cells The lens
The part of the eye that allows us to focus on objects if the____ The lens
Light images are changed into nerve messages in the____ The retina
What is the correct order in which when you look at an object? Cornea, Pupil, lens, Retina, vitrous humor, optic nerve, brain
What happens light strikes an object? Some is absorbed and some is bounced off
Thins that look white in color, have absorbed____ light rays, while things that look black in color have absorbed___ light rays no, all
Which part of the ear contains three tiny bones? the middle ear
What is the thin membrane that separates the outer ear from the middle ear? The ear drum
Which portion of the ear is filled with fluid? The inner ear
Where does the eustachian tube connect to? The middle ear to the throat
Vibrations caused by sound waves are changed into nerve messages in the______ inner ear
Loudness of sounds is measured in_____ decibles
Loud noises can a. destroy cells that detect sound b.cause health problems c.cause muscle tension all of them! (destroy cells that detect sound, cause health problems, cause muscle tensions)
"Uncomfortably loud" noises can cause healring loss if it continues longer than____ min. 7 min.
T/F 60+60 decibels=120 decibles false
T/F Nerve cells in the brain are not replaced if they are damged true
Created by: 16dcohen
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