A nurse is reviewing the arterial blood gas values of a client who has chronic kidney disease. Which of the following sets of values should the nurse expect?
pH 7.25, HCO3- 19mEq / L PaCO2 30 mm Hg
pH 7.30, HCO3-26 26mEq / L PaCO2 50 mm Hg
pH 7.50 0. HCO * 3 - 20mE /L, PaCO2 32 mm Hg
pH 7.55, HCO3- 30mEq / L PaCO2 31 mm Hg
The Correct Answer is A
In a client with chronic kidney disease (CKD), metabolic acidosis is a common acid-base disorder due to impaired excretion of acid and decreased bicarbonate reabsorption in the kidneys. The arterial blood gas values associated with metabolic acidosis in CKD are a low pH (acidemia), low bicarbonate (HCO3-), and normal or low partial pressure of carbon dioxide (PaCO2). Option A fits this pattern, with a pH of 7.25 (acidic), HCO3- of 19 mEq/L (low), and a PaCO2 of 30 mm Hg (within the normal to low range).
Option B shows a pH of 7.30 (acidic) but with a higher bicarbonate level of 26 mEq/L, which is not consistent with metabolic acidosis. The elevated bicarbonate level suggests metabolic alkalosis, which is not expected in a client with CKD.
Option C has a pH of 7.50 (alkaline) with an elevated bicarbonate level of 20 mEq/L and a low PaCO2 of 32 mm Hg. This set of values is indicative of metabolic alkalosis, which is not expected in a client with CKD.
Option D has a pH of 7.55 (alkaline) with an elevated bicarbonate level of 30 mEq/L and a low PaCO2 of 31 mm Hg. This set of values is indicative of metabolic alkalosis, which is not expected in a client with CKD.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The assessment findings of jugular venous distention, weight gain, peripheral edema, and a heart rate of 108/minute are consistent with right-sided heart failure (HF). Right-sided HF occurs when the right ventricle of the heart is unable to pump effectively, leading to congestion in the venous circulation. This can result in jugular venous distention (JVD) due to increased pressure in the jugular veins, peripheral edema due to fluid retention, and weight gain due to fluid accumulation.
Option A (Left-sided HF) may also present with similar symptoms like jugular venous distention, weight gain, and peripheral edema. However, in left-sided HF, there would typically be signs of pulmonary congestion, such as crackles in the lungs and shortness of breath.
Option C (Chronic heart failure) is a general term used for heart failure that has been present for an extended period, and it does not specify whether it is left-sided or right-sided heart failure.
Option D (Acute decompensated heart failure - ADHF) is a form of heart failure that presents with severe symptoms and requires urgent treatment. It is more of a clinical classification rather than a specific complication related to the symptoms mentioned in the scenario.
Correct Answer is A
Explanation
A 3 lb weight gain in a short period, especially overnight, is indicative of fluid overload in a client with end-stage kidney disease receiving hemodialysis. Hemodialysis is performed to remove excess fluid and waste products from the body. If the client is experiencing fluid overload, it means that their body is retaining more fluid than it should, and this can lead to complications such as pulmonary edema, heart failure, and other cardiovascular problems. The nurse should identify this finding as an indication of potential fluid overload and report it to the healthcare provider for further evaluation and intervention.
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