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RespiratorySystemNotes • Whilewatchingthefollowingvideo,takes notesonthedifferentstructuresofthe respiratorysystemonyourdiagram worksheet. VideoClip Coverings: ParietalPleura:innerlining VisceralPleura:outerlining PleuralCavity:Space betweenthetwo-purpose? TheDiaphragm- • FuncFon:muscleofrespiraFon • LocaFon:separatesabdominal cavityandthoraciccavity. • Triggeredby:PhrenicNerve • InspiraFon:Pressureinlungsis decreasedandaircomesin. • ExpiraFon:Pressureinlungsis increasedandairpushesout. Diaphragmappearsdome shaped. Pathology-Upperrespiratorydisorders Ø *Croup-AcuteviralinfecFon ofinfantswithobstrucFonof thelarynx,accompaniedby barkingcoughandstridor. Causedbyfluorrespiratory syncyFalvirus. Ø *Epistaxis-nosebleed,usually associatedwithirritaFonof nasalmucousmembranes, trauma,vitKdeficiency, cloRngabnormaliFes, hypertensionorblood thinningmeds. Ø Diphtheria-InflammaFon, opaquemembraneformsin larynxandtrachea.Caused bybacterialinfecFon.DPT vaccineavailable. Ø *Pertussis-Whoopingcough, highlycontagiousbacterial infecFonofpharynx,larynx, andtrachea.Violent,sudden spasmsofcoughingthatends inaloud“whooping”sound. Bronchialtubedisorders Ø *Asthma-Chronicbronchialinflammatorydisorderwith airwayobstrucFonduetobrachialedemaandconstrucFon andincreasedmucusproducFon. Ø *Bronchiectasis-chronicdilaFonofbronchus,secondary infecFon.CausedwhenbronchiloseelasFcity&secreFons puddleanddon’tdrainnormally. Ø ChronicbronchiAs-InflammaFonofbronchipersisFngover alongFme;typeofCOPD.InfecFonandsmokingare factors. Ø *CysAcfibrosis-inheriteddisorderofexocrineglandswhere thickmucoussecreFonsforminresp.systemanddon’t drainproperly.CausedbyageneFcmutaFonofagene. Symptomsare;airwayobstrucFon,bronchiectasis,resp. failure,insufficientsecreFonsofdigesFveenzymeswhich leadstopoorgrowth. *Atelectasis Pathology LungDisorders • Twoforms • Proximal obstrucFonofdistal airways • AccumulaFonsof fluid,blood,orair inthepleuralcavity Pathology PleuralDisorders *Pneumothorax:Airgathersinthepleuralcavity ClinicalProcedures *Bronchoscopy:fiberopFcorrigidendoscope insertedintothebronchialtubesfordiagnosis, biopsy,orcollecFonofsecreFons ClinicalProcedures *EndotrachealintubaAon:placementoftubefrommouth totracheatoestablishairway ClinicalProcedures *Thoracentesis:surgicalpunctureto removefluidfrompleuralspace ClinicalProcedures *Tracheostomy:surgicalcreaFonofan openingintothetracheathroughtheneck