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Respiratory Rad Rev
Chest anatomy, respiration
| Chest Review | Answers |
|---|---|
| What structure separates the thoracic cavity from the abdominal cavity? | Diaphragm |
| Which bony structure forms the anterior border of the mediastinum? | Sternum |
| What mediastinal structure consists of C-shaped cartilaginous rings? | Trachea |
| What area of the trachea divides into 2 lesser tubes? | Carina |
| Which primary bronchus is shorter and wider than the other? | Right |
| What is the name of the medial aspect of each lung where the primary bronchus enters? | Hilum |
| What is the name of the superior portion of each lung? | Apex |
| Which structures are at the terminal end of the respiratory system? | Alveoli |
| How many lobes are found in the right lung? | 3 |
| Which lung is shorter and broader than the other? | Right lung. |
| Why is one lung shorter than the other? | Because of the close proximity to the liver and heart. |
| What is the name of the area between the two pleural cavities? | Mediastinum |
| What pathologic condition of the lung involves replacement of air with fluid in the lung interstitium and alveoli? | Pulmonary edema |
| What are the 3 parts of the respiratory system? | Respiratory passages, Lungs, Pleura |
| What are the 6 parts of the respiratory passages? | Nasal Cavities, Pharynx, Larynx, Trachea, Bronchi, Bronchioles |
| What are the 3 parts of the pharynx? | Nasal, Oral, Laryngeal |
| What part is known as the "voice box?" | Larynx |
| What part is known as the "windpipe"? | Trachea |
| Where is the trachea located in relation to the esophagus? | Anterior to the esophagus |
| The larynx lies between what? | Thyroid cartilage |
| What encircles the larynx below the thyroid cartilage? | Cricoid cartilage |
| What is known as the "functional unit" of the lung? | Alveolus |
| Define alveolus. | Cup-shaped microscopic structure that forms the wall of an alveolar or air sac. |
| Define mediastinum | Vertical partition located in median plane of chest, separating the lungs from each other. |
| How does expiration affect the diaphragm? | Elevates diaphragm |
| How does inspiration affect the diaphragm? | Depresses diaphragm |
| Base | Broad lower end of lung that's concave and rests upon upper convex surface of diaphragm. |
| Hilum | Depression or indention on the medial surface of each lung where structures enter/leave lung. |
| Pneumothorax | Air in pleural cavity. |
| Tracheotomy | Opening made into trachea anteriorly, so air can pass into lungs when passage is obstructed higher up. |
| Bronchitis | Inflammation of bronchi. |
| Thoracocentesis | Insertion of hollow needle through chest wall to remove air or fluid. |
| Bronchiectasis | Dialation of a bronchus. |
| Empyema | Pus in the pleural cavity. |
| Atelectasis | Collapse of whole or part of a lung from obstruction of a bronchus. |
| Hemothorax | Blood in the pleural cavity. |
| Pneumonectomy | Removal of entire lung. |
| Pleural Effusion | Fluid in pleural cavity. |
| What is the sac that encloses the lungs called? | Pleura |
| What is the portion of lung that lies above the clavicles called? | Apex |
| What is the lower, outer margin of the lung, at the junction of the ribs and diaphragm called? | Costophrenic angle |
| Lobectomy | One of the pulmonary lobes is removed. |
| What is the name for small air sacs located at the distal ends of bronchioles? | Alveoli |
| Pneumonitis | Inflammation of the lung. |
| Which primary bronchus (left or right) is shorter, wider and more vertical? | Right |
| Name the "organs of respiration." | The lungs |
| Name the 3 lobes of the right lung | Right superior, right middle, right inferior |
| Name the 3 parts of the pleura. | Visceral and Parietal pleura, Pleural cavity |
| What part of the larynx is also known as "Adam's apple?" | Laryngeal prominence |
| Pleura | Serous membrane that lines the chest and covers each lung. |
| Visceral pleura | Covers each lung except at its root. |
| Parietal pleura | Lines chest cavity on each side. |
| Pleural cavity | Space between the lung and chest wall. |
| Pneumonitis | Inflammation of the lung. |
| Pleurisy | Inflammation of the pleura. |
| Name the main branches of the trachea. | Bronchus |
| Which hemidiaphragm is usually located more superior? | Right |