A client with severe bronchial pneumonia has been receiving oxygen, respiratory treatments, antibiotics, and intravenous fluids.
Which arterial blood gas result would indicate that the treatment has been effective?
pH, 7.32; pCO2, 47 mm Hg; HCO3, 29 mEq/L; pO2, 80.
pH, 7.34; pCO2, 49 mm Hg; HCO3, 27 mEq/L; pO2, 77.
pH, 7.38; pCO2, 40 mm Hg; HCO3, 25 mEq/L; pO2, 88.
pH, 7.48; pCO2, 43 mm Hg; HCO3, 23 mEq/L; pO2, 85.
The Correct Answer is C
This is because it shows a normal pH, pCO2, HCO3 and pO2, indicating that the treatment has been effective in restoring normal gas exchange and acid- base balance.
Choice A is wrong because it shows a low pH, high pCO2 and high HCO3, indicating a mixed respiratory and metabolic acidosis.
Choice B is wrong because it shows a low pH, high pCO2 and low HCO3, indicating a combined respiratory and metabolic acidosis.
Choice D is wrong because it shows a high pH, low pCO2 and low HCO3, indicating a mixed respiratory and metabolic alkalosis.
The normal ranges for arterial blood gas (ABG) are:
- pH: 7.35 – 7.45
- pO2: 10 – 14 kPa or 75 – 105 mmHg
- pCO2: 4.5 – 6 kPa or 34 – 45 mmHg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
A. Administer oxygen. This is the first priority because oxygen can help prevent further sickling of red blood cells and improve tissue perfusion.
B. Start IV fluids. This is the second priority because hydration can reduce blood viscosity and prevent vaso-occlusion.
C. Administer pain medication. This is the third priority because pain is a common and distressing symptom of sickle cell crisis and should be treated with opioids around the clock.
D. Draw lab work. This is the last priority because lab work can help monitor the severity of the crisis and the need for blood transfusions, but it does not directly relieve the patient’s symptoms or prevent complications.
Correct Answer is A
Explanation
Maintain trust and avoid behaviors that may increase agitation. This is the priority action because it is important for the nurse to attempt to de-escalate the client and maintain trust.
A. Ordering the client to go to their room and alerting security is not the priority action because it may increase agitation and does not maintain trust.
C. Telling the client to sit down or risk isolation and loss of privileges is not the priority action because it may increase agitation and does not maintain trust.
D. Sedating the client after collecting a lithium level is not the priority action because it does not address the immediate need to de-escalate the situation and maintain trust.
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