Medical Gas Therapy Word Scramble
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Question | Answer |
Name three clinical objectives of oxygen therapy: | 1) To correct acute hypoxemia, 2) To decrease chronic hypoxemia symptoms, and 3) To decrease cardiopulmonary workload. Egan's, page 868 |
How does oxygen therapy go about correcting hypoxemia? | By raising the alveolar and blood levels of oxygen. Egan's, page 868 |
Name four patient manifestations of hypoxemia: | Tachypnea, tachycardia, cyanosis, and an overall distressed appearance. Egan's, page 868 |
Which side of the heart is affected by chronic pulmonary hypertension and pulmonary vasoconstriction? | The right side of the heart. Egan's, page 868 |
What is another name for failure of the right side of the heart? | Cor pulmonale. Egan's, page 868 |
Which two primary areas of the body are affected by oxygen toxicity? | The lungs and the central nervous system. Egan's, page 870 |
What two factors determine the harmful effects of oxygen? | Exposure time and the partial pressure of oxygen. Egan's, page 870 |
What type of cells are destroyed by oxygen toxicity? | Type I alveolar cells. Egan's, page 870 |
What type of cells proliferate after type I alveolar cells are destroyed by oxygen toxicity? | Type II alveolar cells. Egan's, page 870 |
Oxygen toxicity is caused by the overproduction of what? | Oxygen free-radicals. Egan's, page 871 |
As a general rule to avoid oxygen toxicity, patient exposure to 100% oxygen should be limited to how many hours? | Whenever possible, limit this exposure to less than twenty-four hours. Egan's, page 871 |
Name five hazards of supplemental oxygen therapy: | Oxygen toxicity, depression of ventilation, retinopathy of prematurity, absorption atelectasis, and fire hazard. Egan's, pages 870 through 872 |
What is the primary reason that some COPD patients hypoventilate when given oxygen? | The most likely cause is suppression of hypoxic drive. Egan's, page 871 |
Supplemental oxygen can cause what eye condition in some premature and low birth weight infants? | Retinopathy of prematurity. Egan's, page 871 |
A significant risk of absorption atelectasis exists at what oxygen concentration? | Oxygen concentrations above 50%. Egan's, page 872 |
What are the three basic design categories (systems) of oxygen delivery devices? | Low-flow systems, high-flow systems, and reservoir systems. Egan's, page 872 |
Name three low-flow oxygen delivery devices: | Tha nasal cannula, the nasal catheter, and the transtracheal catheter. Egan's, pages 873 and 876 |
What is the oxygen concentration delivery range of typical air entrainment masks (expressed an a percentage)? | Air entrainment masks can generally deliver oxygen concentrations from 24% to 50%. Egan's, page 884 |
For each liter per minute, what is the percentage increase in oxygen concentration delivered to a patient who has a normal depth and rate of breathing? | There is an appromimate 4% increase in oxygen concentration for each liter per minute of flow. Egan's, page 877 |
What is the best method for administration of controlled oxygen therapy to infants? | The best device is an oxygen hood, or Oxyhood. |
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mpmcgravey
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