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