Anatomy and
Physiology for
Emergency Care
Chapter 10
Sensory Functions
Objectives
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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
Objectives
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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
Objectives
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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
General Senses
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Pain
Temperature
Touch, Pressure,
and Position
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Tactile receptors
Baroreceptors
Proprioceptors
Tactile Receptors
Baroreceptors
General Senses
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Chemical Detection
General Senses
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Smell
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Olfactory pathways
General Senses
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Taste
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Taste pathways
General Senses
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Vision
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Accessory Structures
of the Eye
General Senses
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Vision
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Anatomy of the Eye
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Fibrous tunic
Vascular tunic
Neural tunic
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Chambers of the Eye
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Retinal organization
Optic disc
Aqueous humor
Lens
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Structure of the Lens
Accommodation
Sectional Anatomy of the Eye
Optic Disc
Eye Chambers and Circulation of
Aqueous Humor
Image Formation and
Accommodation
Visual Abnormalities
General Senses

Vision
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Visual Physiology
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Rods and cones
Photoreceptor function
Visual pigments
General Senses
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Vision
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The Visual Pathway
General Senses
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Equilibrium and
Hearing
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Anatomy of the Ear
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External Ear
Middle Ear
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Auditory Ossicles
Inner Ear
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Receptor Function in
the Inner Ear
Inner Ear
General Senses
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Equilibrium and Hearing
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Equilibrium
Semicircular Ducts: Rotational Motion
 Vestibule: Gravity and Linear Acceleration
 Central Processing of Vestibular Sensations

Vestibular Complex
General Senses
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Hearing
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Cochlear Duct
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Organ of Corti
Hearing Process
 Auditory Pathways
 Auditory Sensitivity
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The Cochlea and Organ of Corti
Sound Reception and Hearing
Aging and the Senses
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Olfactory Sensitivity
Gustatory Sensitivity
Vision
Hearing
Summary
Emergency Care
Applications
Chapter 10
Pain
Eye Emergencies
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Conjunctival Injuries
Corneal Injuries
Blunt Eye Trauma
Penetrating Eye Trauma
Chemical Injuries
Ultraviolet Keratitis
Acute Glaucoma
Eye Emergencies
Summary