A client has a newly placed percutaneous endoscopic gastrostomy tube. When checking the gastric pH, the nurse expects to find a pH of:
1. 5.0–7.30.
2. 3.5–5.0.
3. 1.5–3.5.
4. 7.35–7.45.
Correct Answer: 3
Rationale 1: A pH of 3.5–5.0 is uncommon for gastric acid.
Rationale 2: A pH of 3.5–5.0 is uncommon for gastric acid.
Rationale 3: The gastric juice is the most acidic fluid in the body, with a pH of 1.5–3.5.
Rationale 4: Blood typically has a pH of 7.35–7.45.
Global Rationale: The combined secretion of the chief and parietal cells, known as gastric juice, is the most acidic fluid in the body, having a pH of 1.5 to 3.5.
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