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The exchange of air between the atmosphere and the air sacs(alveoli) of the lungs.
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Occurs in the lungs as oxygen diffuses from alveoli into the blood & co2 diffuses out of the blood to be eleminiated.
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CTC Respiratory Syst
Flash cards for CTC Respiratory System Final
| Question | Answer |
|---|---|
| The exchange of air between the atmosphere and the air sacs(alveoli) of the lungs. | Pulmonary Ventilation |
| Occurs in the lungs as oxygen diffuses from alveoli into the blood & co2 diffuses out of the blood to be eleminiated. | External Gas Exchange |
| Occurs in the tissue as oxygen diffuses from the blood to the cells. | Internal Gas Exchange |
| An intricate arrangement of spaces and passage ways that conduct air into the lungs. | Respiratory System |
| Three projections on the lateral walls of each nasal cavity.Greatly increase the surface area of mucous membrane over which travelson its way through the nasal cavities. | Conchae |
| Nasal lining and cilia help with the following: | 1.)Filters out foreign bodies such as dust particles and pathogens.2.) Helps to warm the air3.) Air is moistened by liquid secretions4.) Serves as an air distributor. |
| Small cavities lined with mucous membrane in the skull bones. | Sinuses |
| Throat- Carries air into the respiratory tract and carries foods and liquids into the digestive system. | Pharynx |
| Space between the vocal cords. | Glottis |
| The leaf shaped cartilage that covers the larynx during swallowing. | Epiglottis |
| Coomonly called the windpipe. Tube that extends fromt he inferior edge of the larynx to the upper part of the chest superior to the heart. | Trachea |
| Trachea is lined by what? | Respiratory Mucosa |
| These epithelial cells have cilia to filter out impurities and to create fluid movement within the conducting tubes. | The cilia beat to drive impurities toward the throat, where they can be swallowed or eliminated by coughing, sneezing or blowing the nose. |
| Tiny air sacs where most gas exchange takes place. | Alveoli |
| A substance that reduces surface tension of the fluids thast line the alveoli. Prevents the collapse of alveoli and eases lung expansion. | Surfactant |
| Major Muscle of Breathing. Seperates thoracic cavity from abdominal cavity. | Diaphragm |
| Inspiration; Drawing of air into the lungs | Inhalation |
| Expiration; Expulsion of air from the lungs. | Exhalation |
| High To Low Concentration of a gas | Diffusion |
| Temporary cessation of breathing. Normally occurs during deep sleep. | Apnea |
| Labored breathing | Dyspnea |
| A minor structural defect when one nasal space is considreably smaller than the other. | Deviated Septum |
| Any infection that is confined to the nose and throat. | Upper Respiratory Infection (URI) |
| Obstruction of normal airflow to lungs, reducing exchange of oxygen and carbon dioxide. | Chronic Obstructive Pulonary Disease (COPD) |
| Crib Death; Baby stops breathing during sleep. | SIDS |
| Guidelines to reducing SIDS: | 1.) Place baby on back2.) Smoke free Environment3.) Firm, flat baby matress4.) Avoid over heating baby with room air. |
| Time when baby gets brown fat. | From Birth to 6 months. |
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crystal71653
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