The nurse assessing a patient with multiple injuries is concerned about the patient's ability to maintain adequate oxygenation. Which explanation would the nurse provide for this increased concern?
1. The patient's bowel sounds are hypoactive.
2. The patient has a hemoglobin level of 14 mg/dL.
3. The patient suffered a cervical neck injury and slight concussion.
4. The patient had an arm injury from flying glass.
Answer: 3
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