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- 1. Multiple Choice
What is the frequency range of hearing for a human being?10-200 hertz20-20,000 hertz300-2,000 hertz2,000-30,000 - 2. Multiple ChoiceWhat part of the ear sends signals to the brain?optic nerveear canalauditory nervemiddle ear
- 3. Multiple ChoiceWhich part of the ear contains tiny bones called the hammer, anvil, and stirrup?middle earouter earinner eareardrum
- 4. Multiple ChoiceWhich part of the ear is shaped like a snail shell?eardrumauditory nervecochleaanvil
- 5. Multiple ChoiceWhat happens to the eardrum when sound hits, causing transmission of sound to the inner ear?it opensit grows hairit refracts the soundit vibrates
- 6. Multiple ChoiceWhich part of the ear acts as a funnel?middle earouter earinner earcochlea
- 7. Multiple ChoiceIn which part of the ear is sound changed into electrical signals which are then sent to the brain?outer earmiddle earinner earhammer
- 8. Multiple ChoiceWhat part of the eye controls how much light enters the black hole (pupil) in the center of the eye?optic nervepupilcorneairis
- 9. Multiple ChoiceIn what part of the ear can damage occur to hair cells and nerve endings causing deafness?cochleaouter earstirrupear canal
- 10. Multiple ChoiceWhat are the two major types of microscopes called?micro and macroear and eyereflecting and refractingconcave and convex
- 11. Multiple ChoiceThe part of the electromagnetic spectrum that humans can easily see is called _____________.visible lightgamma raysmicrowaveseye waves
- 12. Multiple ChoiceThe two parts of the eye that refract light are the ______________.eyelid and eyebroweyelid and lenscornea and retinacornea and lens
- 13. Multiple ChoiceA person who is farsighted can be assisted by_________________.lenses that are tinted lensesconcave lenses that make light rays focus on the corneaconvex lenses that make light rays converge farther toward the retinasurgery that enlarges the pupil
- 14. Multiple ChoiceHow do contact lenses work?they reduce the size of the pupilThey create better light raysthe lenses and the retina mergeWatery tears help the lenses and the cornea act together as a single lens
- 15. Multiple ChoiceWhat part of the eye acts like a convex lens?pupilretinacorneaeyelid
- 16. Multiple ChoiceFor clear vision, an image must be focused exactly on the ________________.retinapupiloptic nervelens
- 17. Multiple ChoiceWhich part of the ear is a stretched membrane at the entrance of the middle ear?cochleacorneaeardrumanvil
- 18. Multiple ChoiceHow does a microscope make a small object appear larger?it reverses the lensit uses a more powerful lightit uses two convex lensesit uses two concave mirror
- 19. Multiple ChoiceWhat is the order of the path of light in the human eye?cornea, pupil, lens, retina, optic nerve, brainlens,cornea, pupil, retina, optic nerve, brainpupil, lens, retina, optic nerve, cornea, brainbrain, pupil, lens, retina, optic nerve, cornea,
- 20. Multiple ChoiceWhich part of the ear is the first to vibrate as sound enters?cochleaauditory nerveeardrumhair cells
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