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Respiratory AP
pn 141 test 2, book: burk ch 22
Question | Answer |
---|---|
oxygen administration: what percentage does a nasal cannula deliver | 24-45% (2-6 L) |
oxygen administration: what percentage of room air is oxygen | 21% |
oxygen administration: what percentage does a simple face mask deliver | 40-60% oxygen |
oxygen administration: what percentage does a nonrebreathermask deliver | 100% |
oxygen administration: what mask is used when the oxygen has to be carefully regulated | the ventura mask |
Hypoventilation: what happens | chronic hypercapnea |
toxicity 02: what happens | hi doses over long periods of time (doses over 50-100%), NP cough, dyspnea, sternal pain, GI upset |
why does 02 cause atelectasis | damage to alveoli - hi O2 |