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Chapter 14: The Respiratory

System

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Learning OutcomesIdentify the parts of the respiratory system and

discuss the function of each part.Recognize the major word parts used in building

words that relate to the respiratory system.Recall the common diagnoses, laboratory tests,

and clinical procedures used in testing and treating disorders of the respiratory system.

Define the major pathological conditions of the respiratory system.

Explain the meaning of surgical terms related to the respiratory system.

Recognize common pharmacological agents used in treating disorders of the respiratory system.

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Function and StructureSystem for breathingConsists of upper / lower tractsExchange oxygen and carbon dioxide

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Upper and Lower Tract

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The Lungs

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Building Vocabularyadenoid(o) adenoidalveol(o) alveolusbronch(o), bronchi(o)bronchusbronchiol(o) bronchiolecapn(o) carbon dioxide

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Building Vocabularyepiglott(o) epiglottislaryng(o) larynxlob(o) lobe of the lungmediastin(o) mediastinumnas(o) noseor(o) mouth

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Building Vocabularyox(o), oxi, oxy oxygenpharyng(o) pharynxphon(o) voice, soundphren(o) diaphragmpleur(o) pleurapneum(o),pneumon(o) air, lung

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Building Vocabularyrhin(o) nosespir(o) breathingsteth(o) chestthorac(o) thorax, chesttonsill(o) tonsilstrachea(o) trachea

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Respiratory TractTwo DivisionsUpper = nose, nasal cavity, sinuses, and

pharynxLower = larynx, trachea, bronchial tree and

lungsExchange of gases

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Vocal cords

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Bronchioles / Alveoli

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Bronchiole Tree

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LungsRespiratory organCarry oxygen from atmosphere to

bloodstreamRelease carbon dioxide from the bloodstream

into atmosphere

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Lobes of the Lung

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Diagnostic, Procedural, LabAssist in diagnosing related conditionsUsed in combinationLead to diagnosisAssist in treatment planning

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Sinuses X-ray

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Throat Culture

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Healthy Lung

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Tuberculosis

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Pathological ConditionsInflammationsBody’s way of protectingOccur in both upper and lower tracts

pharynx pharyngitisrhinitislaryngotracheobronc

hitisadenoiditispneumonitis

bronchitischronic bronchitistonsillitispleurisy, pleuritisepiglottitistracheitis laryngitisnasopharyngitis

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Breathing ProblemsVariety of breathing disorders May be related to a disease or condition Adequate oxygenation to the body

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Pathological Terms IThe respiratory system can experience a wide

variety of diseases and disorders.

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Cystic Fibrosis

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Blockage of Airway

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Surgical TermsSurgery may be performed on the respiratory

system depending upon the disease or condition

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Healthy Lung

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Cancerous Lung

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Tracheostomy

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Chapter ReviewIdentify the parts of the respiratory system and

discuss the function of each part.Recognize the major word parts used in building

words that relate to the respiratory system.Recall the common diagnoses, laboratory tests,

and clinical procedures used in testing and treating disorders of the respiratory system.

Define the major pathological conditions of the respiratory system.

Explain the meaning of surgical terms related to the respiratory system.

Recognize common pharmacological agents used in treating disorders of the respiratory system.