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