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Oxygenation - 27
Test II, N101
| Question | Answer |
|---|---|
| oxygenate venous blood and remove carbon dioxide from blood | alveolar system |
| Air in & out of lungs | Ventilation |
| Gas exchange in lungs | Respiration |
| O2 -> Blood -> Body Tissues | Oxygenation |
| Active Phase = O2 in | Inspiration |
| Passive Phase = CO2 out | Expiration |
| Starts the inspiration, but is not part of Resp. Syst. | Diaphragm |
| Air moves in -> | Less Pressure |
| Air moves out -> | More Pressure |
| Biggest airway restrictor of all | Tongue |
| 2nd biggest airway restrictor | asthma & allergies |
| Respiratory Center | Medulla of Brain |
| Stimulated by ^ carbon dioxide & H+ ions | Inhalation |
| Medulla -(impulses)-> spinal cord -> activate resp. muscles to regulate | O2 & CO2 |
| 98% of O2 gets to body by | Hemoglobin |
| O2 & CO2 transported by | Red Blood Cells |
| Low oxygenation | Hypoxia |
| effects of hypoxia | Hypoxemia |
| Part of lung removed | Lobdectemy |
| current oxygenation saturation in tissues | Pulse Oximetry |
| Desired range __% or above | 92 |
| < __% means O2 going to tissues is inadequate | 85 |
| Pulse Ox measures ____________ blood O2 | Peripheral Venous |
| Blood is taken from an artery | Invasive |
| “partial pressure of arterial O2” | PaO2 |
| “partial pressure of arterial CO2” | PaCO2 |
| 21% O2 | Room Air |
| Supplemental O2 devices deliver in | Liters per minute |
| O2 Wall dial | Flow Meter |
| O2 is a ____; odorless, colorless gas | Drug |
| ______ may be one of the first signs that something is wrong with Pt's respiration | Restlessness |
| Most common O2 delivery device you will see | Nasal Cannula |
| Simple Venturi (“Venti”) Partial Rebreather Nonrebreather | Face Masks |
| Mixes O2 with room air, allows exhaled CO2 to escape | Simple Mask |
| used < 12 hrs - short term | Simple Mask |
| Most precise & most consistent O2 concentration | Venturi Mask |
| Air in Reservoir bag mixes with wall O2 -> leaves through vents on side of mask | Partial Rebreather Mask |
| Most precise & most consistent O2 concentration, Pt cannot rebreathe air | Nonrebreather Mask |
| T.C.D.B. -> Increase Lung Expansion | Turn, Cough, Deep Breathe |
| Increases Lung Expansion | Incentive Spirometry |
| Percussion & postural drainage | Chest PT |
| Expands bronchs - "bronchodilater" | Nebulizer |
| To reduce surface tension of the fluid lining alveoli | surfactant |
| A patient who has difficulty breathing, increased respiratory and pulse rates, and pale skin with regions of cyanosis may be experiencing | Hypoxia |
| decreasing amount of air trapping & airway resistance | pursed-lip breathing |
Created by:
lost little girl
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