The nurse is reviewing the serum laboratory values of a patient just admitted with traumatic injuries. Which laboratory value might be abnormally elevated because of the trauma?
1. Potassium
2. Hemoglobin
3. Glucose
4. Sodium
3
Rationale 1: There is no evidence to support that traumatic injuries cause an immediate increase in potassium levels.
Rationale 2: The patient's hemoglobin might be low, depending on the amount of blood loss from the injuries.
Rationale 3: Stimulation of both the adrenal medulla and cortex in response to stress results in an increased blood glucose level.
Rationale 4: There is no evidence to support that traumatic injuries cause an immediate increase in sodium levels.
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