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 B
Explanation
This is because non-steroidal anti-inflammatory drugs (NSAIDs) are medicines that are used to treat rheumatoid arthritis by reducing pain, inflammation, and swelling.
However, NSAIDs do not slow down the disease progression or prevent joint
damage. Therefore, they are often used along with other types of medications, such as methotrexate or biologics, that can modify the disease course. NSAIDs may take up to two weeks to reach their full anti-inflammatory effect.
Choice A is wrong because using aspirin to relieve other types of pain can increase the risk of bleeding and stomach ulcers when taken with NSAIDs.
Choice C is wrong because taking the medication on an empty stomach can increase the risk of stomach irritation and ulcers.
Choice D is wrong because taking the medication after exercising does not prevent the progression of disease or joint damage.
Correct Answer is C
Explanation
Orthostatic hypotension noted with dangling.
This means that the client’s blood pressure drops when changing position from lying down to sitting or standing. This can cause symptoms such as paleness, sweating, rapid pulse, weakness, and dizziness.
The nurse should document this finding and report it to the physician.
Choice A is wrong because a normal reaction to a position change would not cause such severe symptoms.
Choice B is wrong because the gait belt applied is not a finding but an intervention.
Choice D is wrong because elevated blood sugar probable is not a finding but a speculation.
Choice E is wrong because spot accucheck obtained is not a finding but an action.
Choice F is wrong because fear of falling expressed by a client is not a finding related to the client’s vital signs or physical condition.
Choice G is wrong because provided reassurance is not a finding but a nursing measure.
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