Jun 18th, 2015
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Andrews University
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Chapter 15: Physiological and Behavioral Components of the NeonateNeonatal Period: Definition: The First 28 days of LifeFocus of nursing careMaintaining body heatMaintaining respiratory functionDecreasing risk of infectionAssisting parents in providing appropriate nutrition and hydrationAssisting parents in learning to care for their newbornAdaptation to Extrauterine Life: OverviewFetal StateCardiopulmonary Cardiac shunts ThermoregulationAmniotic fluidMetabolic PlacentalHematologic/hepaticRBC: nature & levelsNewborn StateIndependent respirationsClosure of shuntsMaintenance of temp.Brown fat /Non-shivering thermogenesisMetabolicGlycogen storesHematologic/hepaticPhysiologic hyperbilirubineamiaAdaptation to Extrauterine Life3 Major physiologic events or tasks:Independent cardiopulmonary function: Breathing Thermoregulation: temp maintenanceEstablishment of GI & GU function2 other tasks:Clearing bilirubinEstablishing immune systemTransition to Extrauterine Life: the Respiratory SystemPhysiological changesMechanical, chemical, and sensory stimuliSurfactantInitiation of first breath2 factors that negatively affect the transition extrauterine respirations are 1) Decreased surfactant levels related to immature lungs2) Persistent hypoxemia and acidosis that leads to constriction of the pulmonary arteries.Signs of respiratory distressTransition to Extrauterine Life: Circulatory SystemPhysiological changesInitiation of changes Pul

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