Term
| Visceral Pleura - where is it? |
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Definition
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Term
| Parietal Pleura - where is it? |
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Definition
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Term
| What are the pleura that enclose the lungs? (2) |
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Definition
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Term
| Pleuracy - definition, and general cause. |
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Definition
| Inflammation of the pleura. Caused by friction between visceral and parietal pleura. VERY PAINFUL. |
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Term
| How much fluid does the pleural space contain? |
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Definition
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Term
| Name the lobes of the R & L lungs. |
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Definition
R: Superior, middle, inferior.
L: Superior, inferior. |
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Term
| What is the L lung's equivalent to the middle lobe called? How is it different from the R middle lobe? |
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Definition
| Lingula. It has no actual physical separation. |
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Term
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Definition
| The places air just passes through the respiratory system - gas exchange does not occur there. |
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Term
| List the structures in the Conducting Zone. (4) |
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Definition
Trachea
Bronchi
Bronchioles
Terminal Bronchioles |
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Term
| What are the Transitional, and Respiratory Zones? |
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Definition
| Areas of the lung where gas exchange occurs. |
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Term
| List the structures in the Transitional and Respiratory Zones. (3) |
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Definition
Respiratory bronchioles
Alveolar ducts
Alveolar Sacs |
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Term
| In what structures of the lung does gas exchange take place? (3) |
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Definition
Respiratory bronchioles
Alveolar ducts
Alveolar Sacs |
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Term
| Are the alveoli in the central or peripheral lung? |
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Definition
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Term
| Name the structures in the lung which carry air only - where no gas exchange takes place. (4) |
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Definition
Trachea, Bronchi, Bronchioles
Terminal Bronchioles. |
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Term
| Through what structures does blood travel from the heart to the lungs? |
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Definition
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Term
| Through what structure does blood travel from the lungs to the heart? |
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Definition
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Term
| What vascular system supplies airway MUSCLES? |
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Definition
| Bronchial Vascular System. |
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Term
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Definition
| A thin-walled mesh of capillaries. |
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Term
| How thick are alveolar walls? |
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Definition
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Term
| What are the three types of cells that make up alveolar walls? |
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Definition
Type-1 pneumocytes
Type-2 Pneumocytes
Elastic cells |
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Term
| What is the most common cell that makes up alveoli? |
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Definition
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Term
| What is the function of the type-1 pneumocyte? |
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Definition
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Term
| what do type 2 pneumocytes do? |
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Definition
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Term
| what cells make surfactant? |
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Definition
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Term
| What cells provide structure to the alveolus? |
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Definition
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Term
| What are the 3 essential muscles of respiration? (the ones that are working all of the time) |
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Definition
Scalenes
Parasternal intercostals
diaphragm |
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Term
| What is the most important respiratory muscle? |
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Definition
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Term
| What are the 4 accessory respiratory muscles? (used only when needed) |
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Definition
SCM
Traps
Abs
Internal/External Intercostals |
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Term
| What muscles are used for normal expiration? |
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Definition
| None. it's passive elastic recoil. |
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Term
| What three muscle groups are responsible for FORCED expiration? |
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Definition
Internal intercostals
Rectus Abdominis
Transvers Abs |
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Term
| What do the elastic cells in the alveoli provide/what is their function? |
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Definition
| Passive elastic recoil for expiration. |
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Term
| Why are ab muscles important to respiration? |
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Definition
| Because they provide counterpressure to the diaphragm expansion, so the ribcage will expand rather than compression of the abdominal contents (ie: quad gut). |
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