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