1. Anatomy and Physiology for Emergency Care
Chapter 10
Sensory Functions

2. Objectives
Distinguish between the general senses and the special senses
Identify the receptors for the general senses, and describe how they function
Describe the receptors and processes involved in the sense of smell
Discuss the receptors and processes involved in the sense of taste

3. Objectives Identify the parts of the eye and their functions
Explain how we are able to see objects and distinguish colors
Discuss how the central nervous system processes information related to vision
Discuss the receptors and processes involved in the sense of equilibrium

4. Objectives
Describe the parts of the ear and their roles in the process of hearing
Describe the effects of aging on olfaction, tasting, vision, and hearing

5. General Senses Pain Temperature Touch, Pressure, and Position
Tactile receptors
Baroreceptors
Proprioceptors

6. Tactile Receptors

7. Baroreceptors

8. General Senses
Chemical Detection

9. General Senses
Smell
Olfactory pathways

10. General Senses
Taste
Taste pathways

11. General Senses
Vision
Accessory Structures of the Eye

12. General Senses Vision Anatomy of the Eye Fibrous tunic Vascular tunic
Neural tunic
Retinal organization
Optic disc
Chambers of the Eye
Aqueous humor
Lens
Structure of the Lens
Accommodation

13. Sectional Anatomy of the Eye

14. Optic Disc

15. Eye Chambers and Circulation of Aqueous Humor

16. Image Formation and Accommodation

17. Visual Abnormalities

18. General Senses Vision Visual Physiology Rods and cones
Photoreceptor function
Visual pigments

19. General Senses
Vision
The Visual Pathway

20. General Senses Equilibrium and Hearing Anatomy of the Ear External Ear
Middle Ear
Auditory Ossicles
Inner Ear
Receptor Function in the Inner Ear

21. Inner Ear

22. General Senses Equilibrium and Hearing Equilibrium
Semicircular Ducts: Rotational Motion
Vestibule: Gravity and Linear Acceleration
Central Processing of Vestibular Sensations

23. Vestibular Complex

24. General Senses Hearing Cochlear Duct Hearing Process Auditory Pathways
Organ of Corti
Hearing Process
Auditory Pathways
Auditory Sensitivity

25. The Cochlea and Organ of Corti

26. Sound Reception and Hearing

27. Aging and the Senses Olfactory Sensitivity Gustatory Sensitivity
Vision
Hearing

28. Summary

29. Emergency Care Applications
Chapter 10

30. Pain

31. Eye Emergencies Conjunctival Injuries Corneal Injuries
Blunt Eye Trauma
Penetrating Eye Trauma
Chemical Injuries
Ultraviolet Keratitis
Acute Glaucoma

32. Eye Emergencies

33. Summary