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