Pathophysiology - Exam 1 - A Bit of Everything
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16 terms
Terms | Definitions |
|---|---|
 Helper T-cells | __ (type of cell) promote production of B cells |
| Helper T-cells | __ (type of cell) activate cytotoxic T-cells |
| Helper T-cells | __ (type of cell) are targeted by the HIV virus |
| Cytotoxic T-cells | __ (type of cell) destroy antigens |
| Central | Primarily, __ chemoreceptors monitor CO2 levels |
| Peripheral | __ chemoreceptors are located in carotid and aortic bodies |
| Peripheral | __ chemoreceptors and O2 levels are what control our drive to breathe when CO2 levels are chronically elevated |
| Stretch receptors | What breathing receptors respond to changes in PRESSURE in the airway? |
| Irritant receptors | What breathing receptors are stimulated by noxious gases, smoke, inhaled dust, very cold air, etc.? |
| Juxtacapillary receptors | What breathing receptors are located in the alveolar walls? |
| Type I | Gas exchange takes place across which type of alveolar cell? |
| Type II | Which type of alveolar cell produces surfactant? |
| Alveoli | Where is surfactant found? |
| Lung compliance | __ __ is the ease with which the lung can be inflated |
| Compliance | Loss of recoil = "Lack of __" |
| 25 | In systemic circulation, hemoglobin offloads __% of its oxygen to the tissues |
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