Anatomy and Anatomy and Physiology for Physiology for

Emergency CareEmergency CareChapter 10Chapter 10

Sensory FunctionsSensory Functions

ObjectivesObjectives Distinguish between the general senses Distinguish between the general senses

and the special sensesand the special senses Identify the receptors for the general Identify the receptors for the general

senses, and describe how they functionsenses, and describe how they function Describe the receptors and processes Describe the receptors and processes

involved in the sense of smellinvolved in the sense of smell Discuss the receptors and processes Discuss the receptors and processes

involved in the sense of tasteinvolved in the sense of taste

ObjectivesObjectives Identify the parts of the eye and their Identify the parts of the eye and their

functionsfunctions Explain how we are able to see objects Explain how we are able to see objects

and distinguish colorsand distinguish colors Discuss how the central nervous system Discuss how the central nervous system

processes information related to visionprocesses information related to vision Discuss the receptors and processes Discuss the receptors and processes

involved in the sense of equilibriuminvolved in the sense of equilibrium

ObjectivesObjectives Describe the parts of the ear and their Describe the parts of the ear and their

roles in the process of hearingroles in the process of hearing Describe the effects of aging on olfaction, Describe the effects of aging on olfaction,

tasting, vision, and hearingtasting, vision, and hearing

General SensesGeneral Senses PainPain TemperatureTemperature Touch, Pressure, Touch, Pressure,

and Positionand Position Tactile receptorsTactile receptors BaroreceptorsBaroreceptors ProprioceptorsProprioceptors

Tactile ReceptorsTactile Receptors

Baroreceptors Baroreceptors

General SensesGeneral Senses Chemical DetectionChemical Detection

General SensesGeneral Senses SmellSmell

Olfactory pathwaysOlfactory pathways

General SensesGeneral Senses TasteTaste

Taste pathwaysTaste pathways

General SensesGeneral Senses VisionVision

Accessory Structures Accessory Structures of the Eyeof the Eye

General SensesGeneral Senses VisionVision

Anatomy of the EyeAnatomy of the Eye Fibrous tunicFibrous tunic Vascular tunicVascular tunic Neural tunicNeural tunic

Retinal organizationRetinal organization Optic discOptic disc

Chambers of the EyeChambers of the Eye Aqueous humorAqueous humor

LensLens Structure of the LensStructure of the Lens AccommodationAccommodation

Sectional Anatomy of the EyeSectional Anatomy of the Eye

Optic DiscOptic Disc

Eye Chambers and Circulation of Eye Chambers and Circulation of Aqueous HumorAqueous Humor

Image Formation and Image Formation and AccommodationAccommodation

Visual AbnormalitiesVisual Abnormalities

General SensesGeneral Senses VisionVision

Visual PhysiologyVisual Physiology Rods and conesRods and cones Photoreceptor functionPhotoreceptor function Visual pigmentsVisual pigments

General SensesGeneral Senses VisionVision

The Visual PathwayThe Visual Pathway

General SensesGeneral Senses Equilibrium and Equilibrium and

HearingHearing Anatomy of the EarAnatomy of the Ear

External EarExternal Ear Middle EarMiddle Ear

Auditory OssiclesAuditory Ossicles Inner EarInner Ear

Receptor Function in Receptor Function in the Inner Earthe Inner Ear

Inner EarInner Ear

General SensesGeneral Senses Equilibrium and HearingEquilibrium and Hearing

EquilibriumEquilibrium Semicircular Ducts: Rotational MotionSemicircular Ducts: Rotational Motion Vestibule: Gravity and Linear AccelerationVestibule: Gravity and Linear Acceleration Central Processing of Vestibular SensationsCentral Processing of Vestibular Sensations

Vestibular ComplexVestibular Complex

General SensesGeneral Senses HearingHearing

Cochlear DuctCochlear Duct Organ of CortiOrgan of Corti

Hearing ProcessHearing Process Auditory PathwaysAuditory Pathways Auditory SensitivityAuditory Sensitivity

The Cochlea and Organ of CortiThe Cochlea and Organ of Corti

Sound Reception and HearingSound Reception and Hearing

Aging and the SensesAging and the Senses Olfactory SensitivityOlfactory Sensitivity Gustatory SensitivityGustatory Sensitivity VisionVision HearingHearing

SummarySummary

Emergency Care Emergency Care ApplicationsApplications

Chapter 10Chapter 10

PainPain

Eye EmergenciesEye Emergencies Conjunctival InjuriesConjunctival Injuries Corneal InjuriesCorneal Injuries Blunt Eye TraumaBlunt Eye Trauma Penetrating Eye TraumaPenetrating Eye Trauma Chemical InjuriesChemical Injuries Ultraviolet KeratitisUltraviolet Keratitis Acute GlaucomaAcute Glaucoma

Eye EmergenciesEye Emergencies

Summary Summary