Lab Exercise 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Type 1 Pneumocyte | main cell of lung
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| Type 2 Pneumocyte | differentiate into Type 1, make surfactant, which adds phospholipids and lipoproteins for surface tension
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| What is the main function of the respiratory system? | oxygenation of blood and elimination of O2
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| What are the two serious membranes surrounding each lung? | visceral pleura and parietal pleura
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| What is inside the pleural cavity? | pleural fluid
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| What is the function of pleural fluid? | lubrication for lung movement
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| What makes up the bronchial tree? | main branch, lobar branch, segmental branch, bronchioles, terminal bronchioles
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| How are bronchioles different from the other structures of the bronchial tree? | More smooth muscle, less cartilage, smaller lumen
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| What makes up the conduction zone? | Bronchial tree
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| What makes up the respiratory zone? | Alveoli
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| What forms the respiratory membrane in the lung? | simple squamous epithelium, basement membrane, interstitial fluid
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| Pulmonary ventillation | breathing
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| Boyle's Law | pressure and volume are inversely related
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| What muscles contract during quiet inspiration? | diaphragm and external intercostal muscles
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| What muscles contract during deep inspiration? | sternocleidomastoid and scalenes
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| What muscles contract during deep expiration? | internal intercostals, internal and external obliques, transverse abdominus, rectus abdominus
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| Intrapulmonary/Intra-alveolar pressure | pressure in alveoli; 0 relative to outside
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| Intrapleural pressure | pressure in cavity
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| Intrapleural Pressure during inspiration | decrease
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| Intrapleural pressure during expiration | increase
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| What happens when the thoracic wall is punctured at least to the level of the pleural cavity? | pneumothorax
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| Transpulmonary pressure | difference between lung pressure and outside pressure
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| What happens to airway resistance when bronchioles constrict? | increases
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| Mathematical relationship between air flow and resistance | inverse
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| Effects of parasympathetic stimulation (Ach) | bronchiole constriction
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| Effects of histamine application | bronchiole constriction
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| Effects of sympathetic stimulation (Epi) | bronchiole dilation
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| Lung Compliance | ease of lung expansion
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| 2 Factors on Lung Compliance | stretchability of elastic fibers and surface tension
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| Respiratory Distress Syndrome | infant doesn't have enough surfactant and alveoli and lungs collapse
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| Bronchial Sounds | produced by air rushing through the apparatus
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| Vesicular breathing sounds | sounds from air filling the alveolar sacs and sounds like rustling or a muffled breeze
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| Which sounds are heard in inhalation and exhalation? | bronchial sounds
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| Which sounds are heard only in inhalation? | Vesicular sounds
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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