The client's arterial blood gas report reveals a pH of 6.58. How does the nurse evaluate this value?
1. There is a slight elevation.
2. This value is incompatible with life.
3. This is a low normal value.
4. This value is extremely elevated.
2. This value is incompatible with life.
Rationale:
The body's pH range is normally 7.35 to 7.45. Values lower than 6.8 or higher than 7.8 are generally considered incompatible with life. If the nurse assesses that this client is physiologically more stable than would be expected with this pH, the possibility of a lab error should be considered. An elevated pH would be greater than 7.45, and an extremely elevated pH would be much greater than 7/45. A low normal value would be closer to 7.35.
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