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A/P Uint 10
Respiratory System
| Question | Answer |
|---|---|
| Respiration | Exchange of oxygen and carbon dioxide in the body |
| Breathing | Alternate inspiration and expiration of air |
| Inspiration | Drawing of air into the lung |
| Sinuses | Eight cavities in the skull connected with the nasal cavities |
| Pharynx | Muscular passageway for food and liquids into the esophagus and for air into the lungs |
| Cilia | Hair-like processes projecting from epithelial cells |
| Ciliated | Having Cilia |
| Adenoids | Masses of lymphoid tissue found in the nasopharynx |
| Tonsils | Masses of lymphoid tissue found in the oropharynx |
| Eustachian tube | Passageways which connect the middle ear to the pharynx |
| Larynx | voice box |
| Sac | Cavity or pouch; bag-like part of an organ |
| Hilum | Notch or depression on the inner surface of the lungs where the arteries, veins, bronchi, and nerves enter |
| Ventilation | Supplying of oxygen to the body through the lungs |
| Mediastinum | Space and organs between lungs |
| Alveoli | actual site for gas exchange |
| Lt Lung has __ Lobes | Two |
| Rt Lung has __ Lobes | Three |
| Sounds are formed by the changing shape of | pharynx, oral cavity, tongue, lips |
| Alveoli has ____ Million and spread out __ to __ square meters | 300, 70 to 80 |
| Eupnea | normal quiet breathing |
| Apnea | temporary cessation of breathing |
| Dyspnea | painful/ difficulty breathing |
| Hyperpnea | increased rate and depth of breathing |
| Tachypnea | rapid, shallow breathing |
| Orthopnea | difficulty/ painful breathing relieved by sitting or standing |
| Hypopnea | decrease in the rate and depth of breathing |
| Kussmaul respiration | deep, rapid respiration characteristics of acidosis as seen in uncontrolled diabetes |
| Hypoxia | lower than normal oxygen levels in the tissues |
| Hypoxemia | lower than normal oxygen partial pressure in arterial blood |
| Anoxia | total lack of oxygen |
| Hypocapnia | decreased level of CO2 in the blood (hyperventilation) |
| Hypercapnia | increased level of CO2 in the blood |