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