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