61: The ear Quizellenj2022-12-02T12:50:17-05:00 Please sign up for the course before taking this quiz. 1. Which of these ensures equal pressure on both sides of the eardrum?1 malleus auditory canal vestibule oval window Eustachian tube 2. Which of these is NOT a part of the organ of Corti?1 hair cells tectorial membrane tympanic membrane nerve cells 3. Which of these describes the hearing range of humans?1 2,000 Hz to 200,000 Hz 2 Hz to 20 Hz 20 Hz to 200 Hz 20 Hz to 20,000 Hz 4. What Hertz range is the human voice?1 About 10 to 30 Hz About 100 to 300 Hz About 1,000 to 3,000 Hz 5. What is the function of the middle ear?1 to give us a sense of balance to translate sound into electrical signals to transfer sound vibrations to the inner ear 6. Which of these touches the eardrum?1 stirrup hammer anvil oval window 7. What causes the hair cells to trigger the neurons to send a signal?1 The tectorial membrane rubbing against them. The tympanic membrane vibrating with sound waves. The vibrations in the fluid moving the hairs. The efferent nerves fibers bringing in signals from the brain. 8. Both the middle ear and inner ear are filled with fluid.1 True False 9. Which of these words accurately describes the eardrum?1 transparent translucent opaque 10. Where is the end of the Eustachian tube? (where fresh air can flow in or out)1 inside the sinuses in the inner ear in the nasopharynx in the larynx 11. Which one of these is NOT part of the middle ear?1 Eustachian tube incus stapes cochlea malleus 12. Which of these is the smallest bone in the body?1 incus (anvil) malleus (hammer) stapes (stirrup) 13. Which one of these is NOT part of the inner ear?1 stapes cochlea round window vestibule semicircular canals 14. The entire outer ear (the part we see) is correctly called the:1 helix frenulum pinna tragus 15. How many semicircular canals are in the vestibular system?1 3 1 2 4 16. The shape of the pinna helps to bring in sound, especially the frequencies of the human voice.1 True False 17. Which of these touches the stirrip (stapes)?1 oval window round window 18. Which of these is involved with our sense of balance?1 organ of Corti cochlea vestibular system middle ear 19. Where does the word “cochlea” come from?1 Greek for "tube." Latin for "hammer." Latin for "complicated maze." Greek for "snail shell." Greek for "cone-shaped." 81: Hypothalamus and pituitary 83: Adrenal glands Back to: 61: The ear
