Chapter 7: The Respiratory System Professor Fowler Medical Terminology Chapter 7: The Respiratory System Professor Fowler
Words to Know Aer/o: air Ox/o, ox/i: oxygen Alveol/o: alveoli Pharyng/o: pharynx Atel/o: incomplete Pleur/o: pleura Bronch/o, bronchi/o: bronchus Pneum/o, pneumon/o, pulmon/o: lung Coni/o: dust Rhin/o: nose Laryng/o: larynx Sept/o: septum/wall Lob/o: lobe Spir/o: to breathe Nas/o: nose Tuss/o: cough Muc/o: mucus
Respiratory System Suffixes -capnia: carbon dioxide -ectasis: dilation -osmia: smell -phonia: voice -plegia: paralysis -pnea: breathing -ptysis: spitting -spasm: involuntary movement -thorax: chest
Vocabulary Aspiration: inhale food or liquid Phlegm: mucus in respiratory tract Cyanosis: blue condition Sputum: mucus out of respiratory tract Epistaxis: nosebleed Rales: crackles Hemoptysis: cough up blood Rhonchi: wheeze Stridor: high pitched wheeze Patent: open Percussion: to tap
Abbreviations CO2 RA COPD SIDS CPR SOB CXR TB ENT TPR MDI URI O2 PPD
The Respiratory System Includes the nasal cavity, pharynx, larynx, trachea, bronchial tubes and lungs Purpose: breathe in and breathe out Respiration in 3 parts Ventilation Inhalation Exhalation External respiration Internal respiration
Nasal Cavity Where ventilation begins Nares (nostrils) Nasal septum Palate Mucous membrane Mucus Cilia
Pharynx “throat” Used for respiratory and digestive systems 3 parts Nasopharynx Oropharynx laryngopharynx Tonsils – 3 sets Eustachian or auditory tube
Larynx “voice box” Vocal cords Glottis Epiglottis
Trachea “windpipe” Passageway for air Approximately 4 inches long
Bronchial Tubes Primary bronchi Secondary and tertiary bronchi Bronchioles alveoli
Lungs Collection of bronchi, bronchioles and alveoli Pleura Lobes Right has 3 Left has 2
Respiratory Muscles Diaphragm Intercostal muscles