Correct Answer: 4
1: Seen with CNS involvement, not hypoxemia
2: Pulses will increase with hypoxemia
3: Not related to hypoxemia, seen with electrolyte imbalances - especially calcium
4: CORRECT | Confusion and agitation suggest hypoxemia. Nurse should assess for hypoxemia and manually ventilate with 100% oxygen. Other indications include cyanosis, anxiety, tachycardia and increased respiratory rate
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