Hearing and the ear

1. Label the different parts of the ear.

2. Label the different parts of the inner ear.

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier

Chapter 8: The special senses

3. Label the different parts of the cross section of a cochlea.

4. How many openings are there into the middle ear?a) Twob) Threec) Fourd) Five

5. Which of the following is not a part of the bony labyrinth?a) Semicircular canalb) Malleusc) Vestibuled) Cochlea

6. The organ of Corti is located in the: _____.a) vestibuleb) semicircular canalc) scala vestibulid) cochlear duct

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier

7. Sound waves are transmitted across the middle ear in the following order: _____.

a) Tympanic membrane, stirrup, hammer, anvil, oval window b) Tympanic membrane, hammer, anvil, stirrup, round window c) Tympanic membrane, hammer, anvil, stirrup, oval window d) Tympanic membrane, stirrup, hammer, anvil, round window

8. Which of the following structures is not a component of the external ear?a) Auricleb) Cerumen-secreting glandsc) Auditory (Eustachian) tubed) External auditory meatus

9. The major function of the utricle and saccule in the vestibule is: _____.a) transmitting sound waves through bonesb) changing sound waves into nerve impulsesc) detecting the position of the headd) conducting sound waves through endolymph

10. Which of the following structures is concerned with hearing?a) Utricleb) Sacculec) Semicircular canalsd) Cochlear duct

11. Which structure is not inside the vestibule of the inner ear?a) Cochlear ductb) Utriclec) Sacculed) Tympanum

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier

Sight and the eye

12. Label the different parts of the optic nerves and their pathways.

13. Light waves travel at the speed of: _____.a) 300 000 metres per secondb) 300 000 metres per hourc) 300 000 kilometres per secondd) 300 000 kilometres per hour

14. Light waves of which colour have the shortest wavelength?a) Redb) Yellowc) Violetd) Blue

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier

15. When light waves pass from a medium of one density to another they bend. This process is called: _____.

a) reflectionb) radiationc) refractiond) accommodation

16. Which of the following structures causes the most significant bending of light waves?

a) Conjunctivab) Corneac) Lensd) Vitreous body

17. Label the different components of the electromagnetic spectrum.

18. Label the lens and its related structures.

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier

19. Label the different parts of the lacrimal apparatus.

20. In bright light the amount of light entering the eye is controlled by: _____.a) thickening of the lensb) relaxation of the lensc) dilation of the pupilsd) constriction of the pupils

21. Blood vessels are found in which of the following parts of the eye?a) Corneab) Lensc) Choroidd) Aqueous humor

22. The part of the eye containing nervous tissue is the: _____.a) sclerab) choroidc) irisd) retina

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier

23. Which of the following must happen for near vision to occur?a) Increased tension of the suspensory ligamentb) Relaxation of the ciliary musclec) Increased curvature of the lensd) Contraction of the superior rectus muscle

Sense of smell

24. Label the different parts of the olfactory apparatus.

Waugh and Grant: Ross & Wilson Anatomy and Physiology in Health and Illness 13e © Elsevier