Anatomy and Anatomy and Physiology for Physiology for

Emergency CareEmergency CareChapter 9Chapter 9

The Peripheral Nervous System The Peripheral Nervous System and Integrated Neural Functionsand Integrated Neural Functions

ObjectivesObjectives

Identify the cranial nerves, and relate each Identify the cranial nerves, and relate each pair of cranial nerves to its principle pair of cranial nerves to its principle functionsfunctions

Relate the distribution pattern of spinal Relate the distribution pattern of spinal nerves to the regions they innervatenerves to the regions they innervate

Distinguish between the motor responses Distinguish between the motor responses produced by simple and complex reflexesproduced by simple and complex reflexes

Explain how higher centers control and Explain how higher centers control and modify reflex responsesmodify reflex responses

ObjectivesObjectives

Identify the principle sensory and motor Identify the principle sensory and motor pathwayspathways

Explain how we can distinguish among Explain how we can distinguish among sensations from different areas of the bodysensations from different areas of the body

Compare the ANS with other divisions of Compare the ANS with other divisions of the nervous systemthe nervous system

Explain the functions and structures of the Explain the functions and structures of the sympathetic and parasympathetic sympathetic and parasympathetic divisionsdivisions

ObjectivesObjectives

Discuss the relationship between the Discuss the relationship between the sympathetic and parasympathetic sympathetic and parasympathetic divisions, and explain the implications of divisions, and explain the implications of dual innervationdual innervation

Discuss the interrelationships among the Discuss the interrelationships among the nervous system and other organ systemsnervous system and other organ systems

The Peripheral Nervous The Peripheral Nervous SystemSystem

Cranial nervesCranial nerves Distribution and Distribution and

functionfunction

The Peripheral Nervous The Peripheral Nervous SystemSystem

Spinal nervesSpinal nerves Nerve plexusesNerve plexuses

The CNS and PNS: Integrated The CNS and PNS: Integrated FunctionsFunctions

Simple reflexesSimple reflexes Stretch reflexStretch reflex

The CNS and PNS: Integrated The CNS and PNS: Integrated FunctionsFunctions

Complex reflexesComplex reflexes Withdrawl reflexesWithdrawl reflexes

Integration and Integration and Control Control of Spinal Reflexes of Spinal Reflexes

Sensory and Motor PathwaysSensory and Motor Pathways

Sensory pathwaysSensory pathways Posterior column Posterior column

pathwaypathway

Sensory and Motor PathwaysSensory and Motor Pathways

Motor pathwaysMotor pathways Pyramidal systemPyramidal system Extrapyramidal Extrapyramidal

systemsystem

The Autonomic Nervous The Autonomic Nervous SystemSystem

The Autonomic Nervous The Autonomic Nervous SystemSystem

Sympathetic divisionSympathetic division Sympathetic chainSympathetic chain Collateral gangliaCollateral ganglia Adrenal medullaeAdrenal medullae

The Autonomic Nervous The Autonomic Nervous SystemSystem

Parasympathetic Parasympathetic divisiondivision OrganizationOrganization General functionsGeneral functions

Relationships Relationships between the between the Sympathetic and Sympathetic and Parasympathetic Parasympathetic DivisionsDivisions

Integration with Other Integration with Other SystemsSystems

Summary Summary

Emergency Care Emergency Care ApplicationsApplications

Chapter 9Chapter 9

OverviewOverview

NeurotransmittersNeurotransmitters Parasympathetic NSParasympathetic NS Sympathetic NSSympathetic NS Organophosphate Organophosphate

PoisoningsPoisonings

OverviewOverview

ReflexesReflexes

SummarySummary