The nurse reviews the client's arterial blood gases and has the following results: pH 7.30. PaCO2 58, and HCO3 of 26. The nurse interprets these results that the client has which acid-base imbalance?
Respiratory Alkalosis
Metabolic Acidosis
Metabolic alkalosis
Respiratory acidosis
The Correct Answer is D
A. Respiratory Alkalosis: Would have high pH (>7.45) and low PaCO2 (<35 mmHg).
B. Metabolic Acidosis: Would have low pH and low HCO3 (<22 mEq/L).
C. Metabolic Alkalosis: Would have high pH and high HCO3 (>26 mEq/L).
D. Respiratory Acidosis: A low pH (<7.35) and high PaCO2 (>45 mmHg) indicate respiratory acidosis, which occurs due to hypoventilation, COPD, or respiratory failure. The bicarbonate (HCO3) is normal, meaning there is no metabolic compensation yet.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"C"}
Explanation
Respiratory acidosis- Due to opioid-induced respiratory depression (hypoventilation, CO₂ retention). Hypervolemia: IVF at 150ml/hr is a relatively high rate for someone with CHF. Even isotonic fluids like 0.9% sodium chloride can accumulate quickly and worsen cardiac workload.
Incorrect answers:
- Metabolic alkalosis: typically occurs due to vomiting or excessive bicarbonate intake.
- Osteomyelitis: Infection of the bone; not a direct risk in this scenario.
Correct Answer is A
Explanation
A. "The microwave in my kitchen can warm the solution before I use it." Heating dialysis fluid in a microwave is dangerous as it can cause uneven heating and burns inside the peritoneal cavity. Dialysis solutions should be warmed using a heating pad or a specialized warmer.
B. "The fluid from my abdomen will be clear or slightly yellow." Normal peritoneal dialysis effluent should be clear. Cloudy effluent indicates infection (peritonitis).
C. "The catheter can become infected even with sterile precautions." Peritoneal dialysis catheters have a high risk of infection, even with proper care.
D. "The volume of the output solution should be greater than the input solution." More fluid should come out than goes in, as excess fluid and toxins are being removed.
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